Cita APA (7th ed.)

Reiss, I., & Hoffmann, J. (2002). Living like a duck.

Cita Chicago (17th ed.)

Reiss, Isabel, i Justin Hoffmann. Living like a Duck. [München], 2002.

Cita MLA (8th ed.)

Reiss, Isabel, i Justin Hoffmann. Living like a Duck. 2002.