\documentclass{article}
\usepackage[style=ext-authoryear, autocite=footnote]{biblatex}
\DeclareInnerCiteDelims{footcite}{\bibopenparen}{\bibcloseparen}
\addbibresource{biblatex-examples.bib}
\begin{document}
\null\vfill
Lorem \autocite{sigfridsson}.
Ipsum \textcite{sigfridsson} filler text.
Dolor.\footcite{sigfridsson}
Sit.\footcite[380-382]{sigfridsson}
Amet.\footcites[380-382]{sigfridsson}[24-27]{worman}
Lorem.\footnote{\textcite{sigfridsson}.}
Ipsum.\footnote{Filler text \autocite{sigfridsson}.}
\bibliographystyle{chicago}
\printbibliography
\end{document}
Image refers to citation style (Chicago but footnote only with author (year).
Based on the above code and image, how can I print Chicago-style bibliography with the name of "Reference" instead of "Bibliography"? The "\bibliographystyle{chicago}" code above doesn't work.
chicago
style exactly, then my suggestion is go withbiblatex-chicago