Cita APA (7th ed.)

Dobzhansky, T. (1967). The biology of ultimate concern. Meridian Books.

Cita Chicago (17th ed.)

Dobzhansky, Theodosius. The Biology of Ultimate Concern. Nueva York: Meridian Books, 1967.

Cita MLA (9th ed.)

Dobzhansky, Theodosius. The Biology of Ultimate Concern. Meridian Books, 1967.