Citazione Stile APA (7a Edizione)

Brooks, L., & Finch, R. (1940). The gifts of the earth (1. printed.). Univ. of London Press.

Citazione stile Chigago Style (17a edizione)

Brooks, Leonard, e Robert Finch. The Gifts of the Earth. 1. printed. London: Univ. of London Press, 1940.

Citatione MLA (9a ed.)

Brooks, Leonard, e Robert Finch. The Gifts of the Earth. 1. printed. Univ. of London Press, 1940.