The rule for writing ordinal numbers is to write them and not use the Arabic numerical form. Example: Incorrect: Correct: fifth. and above. and above are written as numerals, for example Write ordinal and above as Arabic numerals. Examples: Incorrect: twenty, to write numbers in APA style. The American Psychological Association, APA, manual of style is intended for scientific writing, but can also be used in online editorials and content writing; APA format for tables and figures, annotated examples. Published on by Jack Caulfield. Revised on. This article reflects the guidelines of the th edition. Click here to view the 2nd edition guidelines. A table concisely presents information, often numerical, in rows and columns. A figure is any other image. On the first line of the page, write the title of the “References” section in bold and centered. On the second line, start listing your references in alphabetical order. Apply these formatting guidelines to the APA reference page: Double spacing within and between references. Hanging indent in inches. Numbers in AP style. Produced by the Associated Press, the AP Stylebook contains some basic recommendations on how to write numbers. In general, you should: Spell numbers up to nine, for example: She spent four weeks in prison. Use numbers for ten and above, for example, there are stick insects. These rules apply to both cardinals and ordinals. In-text citations briefly identify the source of information in the body of the text. They correspond to a complete reference entry at the end of your article. In-text APA citations include the author's last name and year of publication. When citing a specific part of a source, also include a page number or range, e.g. Parker, 2020, p.