More than one paper by the same author in the same year should be designated 1960a, 1960b, etc. In the Literature Cited section they are to be listed alphabetically by the authors' names. Name of publisher, location of publisher. Number of pages. For special types of publication or authorship, refer to the Style Manual for appropriate forms of citation.
Authors are responsible for accuracy and completeness of citations.
Unpublished work may not be cited unless the paper has been accepted for publication Type tables and legends for figures separately from the text and place them at the end of the manuscript. Type each table on a separate page. Table headings and legends for figures should be short but amply descriptive. They must be reducible to a maximum of 5 x 7 inches for publication. Whenever possible two or more small figures should be combined for reproduction as a unit, preferably side by side.