APA (7th ed.) Citation

Abbott, J. C., & Makeham, J. P. (1990). Agricultural economics and marketing in the tropics (2nd ed.). Longman.

Chicago Style (17th ed.) Citation

Abbott, J. C., and J. P. Makeham. Agricultural Economics and Marketing in the Tropics. 2nd ed. Essex, England: Longman, 1990.

MLA (9th ed.) Citation

Abbott, J. C., and J. P. Makeham. Agricultural Economics and Marketing in the Tropics. 2nd ed. Longman, 1990.