Cita APA (7th ed.)

Dobzhansky, T. G. (1956). The biological basis of human freedom. Columbia University Press.

Cita Chicago (17th ed.)

Dobzhansky, Theodosius Grigorievich. The Biological Basis of Human Freedom. New York: Columbia University Press, 1956.

Cita MLA (8th ed.)

Dobzhansky, Theodosius Grigorievich. The Biological Basis of Human Freedom. Columbia University Press, 1956.