Citazione Stile APA (7a Edizione)

Clark, C., & Haswell, M. R. (1966). The economics of subsistence agriculture (2d ed.). Macmillan.

Citazione stile Chigago Style (17a edizione)

Clark, Colin, e Margaret Rosary Haswell. The Economics of Subsistence Agriculture. 2d ed. London: Macmillan, 1966.

Citatione MLA (9a ed.)

Clark, Colin, e Margaret Rosary Haswell. The Economics of Subsistence Agriculture. 2d ed. Macmillan, 1966.