Cita APA (7th ed.)

Kersten, D. (1998). ABC-Zoo. Ravensburger Buchverl..

Cita Chicago (17th ed.)

Kersten, Detlef. ABC-Zoo. Ravensburg: Ravensburger Buchverl., 1998.

Cita MLA (8th ed.)

Kersten, Detlef. ABC-Zoo. Ravensburger Buchverl., 1998.