APA (7th ed.) Citation

Mayr, E. (1988). Toward a new philosophy of biology : observations of an evolutionist / Ernst Mayr: Observations of an evolutionist. Belknap.

Chicago Style (17th ed.) Citation

Mayr, Ernst. Toward a New Philosophy of Biology : Observations of an Evolutionist / Ernst Mayr: Observations of an Evolutionist. London: Belknap, 1988.

MLA (9th ed.) Citation

Mayr, Ernst. Toward a New Philosophy of Biology : Observations of an Evolutionist / Ernst Mayr: Observations of an Evolutionist. Belknap, 1988.

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