Cita APA (7th ed.)

Berg, H. v. (2007). Alpha males: Henning von Berg. Gmünder.

Cita Chicago (17th ed.)

Berg, Henning von. Alpha Males: Henning Von Berg. Berlin: Gmünder, 2007.

Cita MLA (8th ed.)

Berg, Henning von. Alpha Males: Henning Von Berg. Gmünder, 2007.