Cita APA (7th ed.)
American Psychological Association. (1982). Mental Retardation: An abstracted bibliogr., 1971-1980. American Psycholog. Ass.
Cita Chicago (17th ed.)
American Psychological Association. Mental Retardation: An Abstracted Bibliogr., 1971-1980. Washington: American Psycholog. Ass, 1982.
Cita MLA (9th ed.)
American Psychological Association. Mental Retardation: An Abstracted Bibliogr., 1971-1980. American Psycholog. Ass, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.