1. First provide the full name of the CDC and the date of publication. The very first item in your citation entry on the reference page should be the download article. 1. Present your article. The first section of an APA style article will be the introduction, but this is not required. Here is an example of how to cite undated documents in APA style: For more information, please see the library's APA citation guide. . Toggle action bar FAQ Actions1. Use ation marks with a short es. If you want to include fewer words from a poem in your essay, the e should be surrounded by periods. You don't need to start a new line to trigger the e. 1 For example, introduce a short e like this. Frost writes: Some say the world will end in fire. To cite an online encyclopedia entry in APA style, start with the author of the entry if listed, followed by the year of publication, title of the entry, name of editor , encyclopedia name, edition, publisher and URL. You can easily cite an encyclopedia entry using our free APA citation generator. Author's last name, initials. There are several steps you need to follow to prepare a new APA style document before you start writing your paper: Make sure of the paper size. 5, , known as Letter in most word processors. Set the margin size on all sides to 2.54 cm. Change the line spacing to double spaced. Add page numbers to the upper right corner of each page.