Cita APA

Nyrop, R. F. (1973). Area handbook for Libya (2d ed.). U.S. Government Printing Office.

Citación estilo Chicago

Nyrop, Richard F. Area Handbook for Libya. 2d ed. Washington, D.C: U.S. Government Printing Office, 1973.

Cita MLA

Nyrop, Richard F. Area Handbook for Libya. 2d ed. U.S. Government Printing Office, 1973.