https://tex.stackexchange.com/q/561795/35864

plangenfloat.tex

\documentclass[british]{article}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{babel}
\usepackage{csquotes}

\usepackage[backend=biber,
  style=authoryear-ibid,
  sorting=ynt,
  sortcites=true,
  uniquelist=false,  uniquename=false,
  maxnames=2, minnames=1, maxbibnames=99,
  dashed=false,
]{biblatex}

\addbibresource{biblatex-examples.bib}

\usepackage{graphicx}
\usepackage{duckuments}

\begin{document}
\listoffigures

Lorem \autocite{worman}

\begin{figure}[htbp]
  \includegraphics{example-image-duck}
  \caption{A Duck \autocite{sigfridsson}}
\end{figure}

ipsum \autocite{geer}
\printbibliography
\end{document}