APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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