Citazione Stile APA (7a Edizione)

Clark, C., & Haswell, M. R. (1970). The economics of subsistence agriculture (4th ed.). Macmillan.

Citazione stile Chigago Style (17a edizione)

Clark, Colin, e Margaret Rosary Haswell. The Economics of Subsistence Agriculture. 4th ed. [London]: Macmillan, 1970.

Citatione MLA (9a ed.)

Clark, Colin, e Margaret Rosary Haswell. The Economics of Subsistence Agriculture. 4th ed. Macmillan, 1970.