Cita APA (7th ed.)

Schmitt, E., & Barz, M. [. (1984). Verschmittzter Tierpark. Berlin Information.

Cita Chicago (17th ed.)

Schmitt, Erich, i Michael [Fototeam] Barz. Verschmittzter Tierpark. Berlin: Berlin Information, 1984.

Cita MLA (8th ed.)

Schmitt, Erich, i Michael [Fototeam] Barz. Verschmittzter Tierpark. Berlin Information, 1984.