Citazione Stile APA (7a Edizione)

Mayr, E. (1988). Toward a new philosophy of biology: Observations of an evolutionist. The Belknap Press of Harvard University Press.

Citazione stile Chigago Style (17a edizione)

Mayr, Ernst. Toward a New Philosophy of Biology: Observations of an Evolutionist. Cambridge: The Belknap Press of Harvard University Press, 1988.

Citatione MLA (9a ed.)

Mayr, Ernst. Toward a New Philosophy of Biology: Observations of an Evolutionist. The Belknap Press of Harvard University Press, 1988.