APA (7th ed.) Citation

American Society for Agronomy. Division A-6, Ragland, J., & Rattan, L. (1993). Technologies for sustainable agriculture in the tropics: Proceedings of two international symposia sponsored by Division A-6 of the American Society of Agronomy in San Antonio, TX, and Denver, CO, 1990 and 1991 respectively. American Society of Agronomy.

Chicago Style (17th ed.) Citation

American Society for Agronomy. Division A-6, John Ragland, and L. Rattan. Technologies for Sustainable Agriculture in the Tropics: Proceedings of Two International Symposia Sponsored by Division A-6 of the American Society of Agronomy in San Antonio, TX, and Denver, CO, 1990 and 1991 Respectively. Madison, Wis., USA: American Society of Agronomy, 1993.

MLA (9th ed.) Citation

American Society for Agronomy. Division A-6, et al. Technologies for Sustainable Agriculture in the Tropics: Proceedings of Two International Symposia Sponsored by Division A-6 of the American Society of Agronomy in San Antonio, TX, and Denver, CO, 1990 and 1991 Respectively. American Society of Agronomy, 1993.