Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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