Style de citation APA (7e éd.)

Nelson, H. D. (1974). Area handbook for the United Republic of Cameroon (First edition.). U.S. Government Printing Office.

Style de citation Chicago (17e éd.)

Nelson, Harold D. Area Handbook for the United Republic of Cameroon. First edition. Washington D.C.: U.S. Government Printing Office, 1974.

Style de citation MLA (8e éd.)

Nelson, Harold D. Area Handbook for the United Republic of Cameroon. First edition. U.S. Government Printing Office, 1974.