APA (7th ed.) Citation

Dobzhansky, T. (1969). The biology of ultimate concern. Rapp & Whiting.

Chicago Style (17th ed.) Citation

Dobzhansky, Theodosius. The Biology of Ultimate Concern. London: Rapp & Whiting, 1969.

MLA (9th ed.) Citation

Dobzhansky, Theodosius. The Biology of Ultimate Concern. Rapp & Whiting, 1969.

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