Cita APA (7th ed.)

Pechenik, J. A. (2010). Biology of the invertebrates (6th ed.). McGraw-Hill Higher Education.

Cita Chicago (17th ed.)

Pechenik, Jan A. Biology of the Invertebrates. 6th ed. New York: McGraw-Hill Higher Education, 2010.

Cita MLA (9th ed.)

Pechenik, Jan A. Biology of the Invertebrates. 6th ed. McGraw-Hill Higher Education, 2010.