APA (7th ed.) Citation

Mayr, E. (1964). Systematics and the origin of species from the viewpoint of a zoologist. Dover Pub.

Chicago Style (17th ed.) Citation

Mayr, Ernst. Systematics and the Origin of Species from the Viewpoint of a Zoologist. New York: Dover Pub, 1964.

MLA (9th ed.) Citation

Mayr, Ernst. Systematics and the Origin of Species from the Viewpoint of a Zoologist. Dover Pub, 1964.