Enqueue Google Fonts Properly in Wordpress

functions.php

//Google Fonts Include
function google_fonts_css() {
  wp_register_style( 'google_fonts_ptserif', 'http://fonts.googleapis.com/css?family=PT+Serif+Caption:400,400italic' );
	wp_enqueue_style( 'google_fonts_ptserif' );
}


//Activate Custom Style Sheets
add_action ('wp_print_styles', 'google_fonts_css', 10);