Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Pechenik, Jan A. Biology of the Invertebrates. 6a. ed. Nueva York: McGraw-Hill, 2010.

Cita MLA (9th ed.)

Pechenik, Jan A. Biology of the Invertebrates. 6a. ed. McGraw-Hill, 2010.