APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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