Clark, C., & Haswell, M. (1970). The economics of subsistence agriculture (4. ed.). London: MacMillan St Martin's Press.
Chicago Style CitationClark, Colin, and Margaret Haswell. The Economics of Subsistence Agriculture. 4. ed. London: MacMillan St Martin's Press, 1970.
MLA CitationClark, Colin, and Margaret Haswell. The Economics of Subsistence Agriculture. 4. ed. London: MacMillan St Martin's Press, 1970.
Warning: These citations may not always be 100% accurate.