The APA uses a reference list, an alphabetical list of sources after the end of the book or article, for its complete list of referenced sources. This list should be titled References in bold and arranged alphabetically by the first item in the citation, which in most cases is the author's last name. Each reference in this list must be cited in your. The formatting of the titles of the sources you use in your article depends on two factors: a the independence of the source from part of a larger whole and b the location of the title in the text of the article by relation to the reference. list entry. The table below provides formatting instructions and examples: Source Independence. Text. Indent the first line of each paragraph. using the tab key or the paragraph formatting function of your word processing program. Page Numbers: Write a page number in the upper right corner of each page, including the title page or cover page, ie. Student papers do not require a header on any page. ~ Referencing has two parts: the citations in the text of your article and the list of references at the end of your article. The APA referencing style is an author-date style, so the in-text citation consists of the author and year of publication given in whole or in part in parentheses. Use only the author's last name. Revised on. To reference a PowerPoint presentation in APA style, include the name of the author who presented the PowerPoint, the date it was presented, the title in italics, "PowerPoint slides" in brackets, the name of the department and the university, as well as the URL where the PowerPoint can be found.