Cita APA (7a ed.)

Kleber, B., & Honnef, K. (2011). Photographers. Jovis Verl..

Cita Chicago Style (17a ed.)

Kleber, Birgit, y Klaus Honnef. Photographers. Berlin: Jovis Verl., 2011.

Cita MLA (8a ed.)

Kleber, Birgit, y Klaus Honnef. Photographers. Jovis Verl., 2011.