Cita APA (7th ed.)

Pechenik, J. A. (2010). Biology of the invertebrates (Sixth edition.). Karim International (021177).

Cita Chicago (17th ed.)

Pechenik, Jan A. Biology of the Invertebrates. Sixth edition. Boston: Karim International (021177), 2010.

Cita MLA (9th ed.)

Pechenik, Jan A. Biology of the Invertebrates. Sixth edition. Karim International (021177), 2010.