Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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