The document discusses bibliographic citation and referencing. It defines bibliography as a list of sources on a topic and citation as giving credit to the original authors of ideas. Citations can be in-text or in a reference list and are important for giving proper credit, allowing others to find sources, and protecting against plagiarism. The document also discusses how to cite authors in the text using parenthetical notes in MLA and APA styles with the author's name, year, and page number.