APA (7th ed.) Citation

Jhonson, D. T. (1990). The business of farming: A guide to farm business management in the tropics. Macmillan.

Chicago Style (17th ed.) Citation

Jhonson, David T.. The Business of Farming: A Guide to Farm Business Management in the Tropics. London: Macmillan, 1990.

MLA (9th ed.) Citation

Jhonson, David T.. The Business of Farming: A Guide to Farm Business Management in the Tropics. Macmillan, 1990.