Style de citation APA (7e éd.)

Nyrop, R. F. (1972). Area handbook for Morocco. U.S. Government Printing Office.

Style de citation Chicago (17e éd.)

Nyrop, Richard F. Area Handbook for Morocco. Washington, D.C: U.S. Government Printing Office, 1972.

Style de citation MLA (9e éd.)

Nyrop, Richard F. Area Handbook for Morocco. U.S. Government Printing Office, 1972.