APA (7th ed.) Citation

Clark, C., & Haswell, M. (1966). The economics of subsistence agriculture (2. ed.). St. Martin's Press.

Chicago Style (17th ed.) Citation

Clark, Colin, and Margaret Haswell. The Economics of Subsistence Agriculture. 2. ed. New York: St. Martin's Press, 1966.

MLA (9th ed.) Citation

Clark, Colin, and Margaret Haswell. The Economics of Subsistence Agriculture. 2. ed. St. Martin's Press, 1966.