APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.