\documentclass[12pt]{article}
\usepackage{times}% Font settings
\usepackage[a4paper, left=2.5cm, right=2.5cm, top=2.5cm, bottom=2.5cm]{geometry}% Margins
\usepackage{setspace}% Line spacing
\usepackage{pdfpages}% Cover page
\usepackage{titlesec}
\usepackage{amsmath}% Fancy formula stuff
\usepackage[style=authoryear,backend=biber]{biblatex}% cytations
\usepackage{indentfirst}% \parindent[]{}
\addbibresource{Sources.bib}
\DeclareFieldFormat{postnote}{#1}
\DeclareFieldFormat{multipostnote}{#1}
\onehalfspacing% Line spacing
\setlength{\parindent}{20pt}% Indents first line of ALL paragraphs
\titleformat{\section}
{\normalfont\fontsize{12}{14}\bfseries}% Font settings for sections
{\thesection}% Section number
{1em}% Space between section number and title
{}% Title format
\titleformat{\subsection}
{\normalfont\fontsize{12}{14}\bfseries}% Font settings for subsections
{\thesubsection}% Subsection number
{1em}% Space between subsection number and title
{}% Title format
\titleformat{\subsubsection}
{\normalfont\fontsize{12}{14}\bfseries}% Font settings for subsubsections
{\thesubsubsection}% Subsubsection number
{1em}% Space between subsubsection number and title
{}% Title format
\defbibheading{bibliography}[\refname]{\section*{}}
\begin{document}
\includepdf{Front_Page.pdf}% Cover page
\section{Abstract}
\section{Lorem Ipsum}
The UiB SAMPOL Guidelines require in text citations following the format "(Name year, page)" \parencite[1,4]{Source}. \textit{Please note this may be outdated}. To facilitate this, this document is set up to use '\textbackslash parencite[page]\{source\}' rather then '\textbackslash cite'.
% The UiB SAMPOL Guidelines require in text citations following the format (Name year, page#). To facilitate this, this document is set up to use '\parencite[page]{source}' rather then '\cite'.
I can't promise this will comply with your essay requirements, so please double check. Good luck on your assignment, I hope you found this helpful!
\section{Conclusion}
\newpage
\textbf{References}
\printbibliography
\end{document}
