APA is commonly used in the subjects nutrition, public health,
science, arts, music, mathematics education, mathematics, social
work, education, mental health, language, political science,
nursing, sociology of religion, economics, athletics, literature
APA is an abbreviation for the American Psychological Association. This reference style uses parenthesis in the text with the author's last name and the year of publication. A complete reference list is placed at the end of the text. The references in the list are in alphabetical order according to the authors' last names and should contain all necessary bibliographical data.