Style de citation APA (7e éd.)

Friedmann, H. (1942). The natural-history background of camouflage. The Smithsonian Institution.

Style de citation Chicago (17e éd.)

Friedmann, Herbert. The Natural-history Background of Camouflage. Washington, D.C: The Smithsonian Institution, 1942.

Style de citation MLA (9e éd.)

Friedmann, Herbert. The Natural-history Background of Camouflage. The Smithsonian Institution, 1942.