Cita APA (7a ed.)

Petrunkevitch, A. (1916). Morphology of invertebrate types. The Macmillan Company.

Cita Chicago Style (17a ed.)

Petrunkevitch, Alexander. Morphology of Invertebrate Types. New York: The Macmillan Company, 1916.

Cita MLA (9a ed.)

Petrunkevitch, Alexander. Morphology of Invertebrate Types. The Macmillan Company, 1916.