APA (7e ed.) Bronvermelding

Howells, W. W. (1967). Mankind in the making: The story of human evolution (Rev. ed.). Doubleday.

Chicago (17e ed.) Bronvermelding

Howells, W. W. Mankind in the Making: The Story of Human Evolution. Rev. ed. Garden City, N.Y.: Doubleday, 1967.

MLA (9e ed.) Bronvermelding

Howells, W. W. Mankind in the Making: The Story of Human Evolution. Rev. ed. Doubleday, 1967.