Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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