APA (7th ed.) Citation

Seligman, C. G. (1966). Races of Africa (4. ed.). Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Seligman, C. G. Races of Africa. 4. ed. London [u.a.]: Oxford Univ. Press, 1966.

MLA (9th ed.) Citation

Seligman, C. G. Races of Africa. 4. ed. Oxford Univ. Press, 1966.