APA (7th ed.) Citation
Abbott, J., Makeham, J. P., & Payne, W. J. A. (1979). Agricultural economics and marketing in the tropics. Longman.
Chicago Style (17th ed.) Citation
Abbott, J.C, J. P. Makeham, and W. J. A. Payne. Agricultural Economics and Marketing in the Tropics. London: Longman, 1979.
MLA (9th ed.) Citation
Abbott, J.C, et al. Agricultural Economics and Marketing in the Tropics. Longman, 1979.
Warning: These citations may not always be 100% accurate.