APA (7th ed.) Citation

Mayr, E. (1970). Populations, species, and evolution: An abridgment of animal species and evolution. Belknap Press.

Chicago Style (17th ed.) Citation

Mayr, Ernst. Populations, Species, and Evolution: An Abridgment of Animal Species and Evolution. Cambridge: Belknap Press, 1970.

MLA (9th ed.) Citation

Mayr, Ernst. Populations, Species, and Evolution: An Abridgment of Animal Species and Evolution. Belknap Press, 1970.

Warning: These citations may not always be 100% accurate.