Cita APA (7th ed.)

Jahn, I., & Schmitt, M. (2001). [Darwin & Co., 2]. Beck.

Cita Chicago (17th ed.)

Jahn, Ilse, i Michael Schmitt. [Darwin & Co., 2]. München: Beck, 2001.

Cita MLA (8th ed.)

Jahn, Ilse, i Michael Schmitt. [Darwin & Co., 2]. Beck, 2001.