This document provides an introduction to referencing published material using the Harvard referencing system. It addresses common questions about referencing such as why we reference, how to cite authors in text, how to format a reference list, and how to reference different types of materials like books, journal articles, websites and more. The aim is to help readers understand how to acknowledge other writers' ideas, avoid plagiarism, and format references correctly using the Harvard style. Key points covered include citing authors in text by name and date, formatting a reference list in alphabetical order, finding publication details for different materials, and how to reference things like edited books or specific chapters.