In all other respects, the APA style is similar to the other guides.
There are many different sets of rules which are applied depending on the specifics of the field of study. is one of the most influential associations of professional psychologists in the world, with number specialists from the United States and Canada, as well as associate members from other countries. The organization developed the widespread form of formatting of academic works for social sciences.
On the assumption of the name of the organization (American Psychological Association), it is not hard to guess, that this standard is most popular in North America, but also is widely used in other English-speaking countries.
To clearly identify each section, the APA standard advises centering the heading of each paragraph in a bold font. Such citations are placed in parenthesis where the author`s name and year of publication of the cited part are specified.
This information has to be the same as in the reference list.