APA Edition Citation

Duckham, . A. N., & Masefield, . G. B. (1970). Farming systems of the world. Allied Publishers.

Chicago Edition Citation

Duckham, A N., and G B. Masefield. Farming Systems of the World. Bombay: Allied Publishers, 1970.

MLA Edition Citation

Duckham, A N., and G B. Masefield. Farming Systems of the World. Allied Publishers, 1970.

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