Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.