An actually decent referencing style with biblatex

biblatex.tex

% An actually decent referencing style. C. Jones 2025.
\PassOptionsToPackage{
    style=authoryear, % Harvard/APA ish
    backend=bibtex, 
    natbib=true, % use \citep, \citet
    backref=true, % include links from bibliography back to text
    maxbibnames=99, maxcitenames=2, % show all names in bibliography, but up to 2 in-text
    uniquelist=false, uniquename=false, % don't try to disambiguate name clashes in-text
    date=year, % don't include months in bibliography
    dashed=false, giveninits=true,
    sorting=nyt, sortcites=false, 
    isbn=false,doi=false,url=false,eprint=false, % don't include links (we will hyperlink the titles instead)
}{biblatex}
\RequirePackage{biblatex}

\DeclareNameAlias{sortname}{family-given} % Lastname, Firstname in reference list

% Simplify references by removing superfluous fields.
% remove publisher for everything other than books.
\AtEveryBibitem{
 \clearlist{address}
 \clearfield{date}
 \clearfield{eprint}
 \clearfield{isbn}
 \clearfield{issn}
 \clearlist{location}
 \clearfield{month}
 \clearfield{series}
 \clearname{editor}
 
 \ifentrytype{book}{}{
   \clearlist{publisher}
 }
}

% use '&' instead of 'and' for consistency with natbib
\renewcommand*{\finalnamedelim}{%
    \ifnumgreater{\value{liststop}}{2}{\finalandcomma}{}%
    \addspace\&\space}%

% backref format
\DefineBibliographyStrings{english}{backrefpage={cited on p.},backrefpages={cited on pp.}} 

% \renewcommand*{\bibfont}{\normalfont\small} % make bibliography use \small text
\setlength\bibitemsep{0.49\baselineskip} % increase spacing between items in bibliography

% --- Make title a hyperlink to the DOI (falls back to URL)
\newbibmacro{string+doiurl}[1]{%
  \iffieldundef{doi}{%
    \iffieldundef{url}{%
      \PackageWarning{mybibliography}{Entry \thefield{entrykey} has no DOI or URL}%
      #1%
    }{%
      \href{\thefield{url}}{#1}%
    }%
  }{%
    \href{http://dx.doi.org/\thefield{doi}}{#1}%
  }%
}

\DeclareFieldFormat{title}{\usebibmacro{string+doiurl}{\mkbibemph{#1}}}
\DeclareFieldFormat[article,incollection,misc,inproceedings,book]{title}%
    {\usebibmacro{string+doiurl}{\mkbibquote{#1}}}
% ---

% --- Make biblatex hyperlinks cover the name and year instead of just year (for consistency with natbib)
\DeclareFieldFormat{citehyperref}{%
  \DeclareFieldAlias{bibhyperref}{noformat}% Avoid nested links
  \bibhyperref{#1}}

\DeclareFieldFormat{textcitehyperref}{%
  \DeclareFieldAlias{bibhyperref}{noformat}% Avoid nested links
  \bibhyperref{%
    #1%
    \ifbool{cbx:parens}
      {\bibcloseparen\global\boolfalse{cbx:parens}}
      {}}}

\savebibmacro{cite}
\savebibmacro{textcite}

\renewbibmacro*{cite}{%
  \printtext[citehyperref]{%
    \restorebibmacro{cite}%
    \usebibmacro{cite}}}

\renewbibmacro*{textcite}{%
  \ifboolexpr{
    ( not test {\iffieldundef{prenote}} and
      test {\ifnumequal{\value{citecount}}{1}} )
    or
    ( not test {\iffieldundef{postnote}} and
      test {\ifnumequal{\value{citecount}}{\value{citetotal}}} )
  }
    {\DeclareFieldAlias{textcitehyperref}{noformat}}
    {}%
  \printtext[textcitehyperref]{%
    \restorebibmacro{textcite}%
    \usebibmacro{textcite}}}
% ---