APA (7th ed.) Citation
Keller-Grein, G., Amézquita, M. C., Lema, G., & Franco, L. (1992). Multilocational testing of grasses and legumes in the humid tropics of South America. International Center for Tropical Agriculture.
Chicago Style (17th ed.) Citation
Keller-Grein, Gerhard, María Cristina Amézquita, G. Lema, and LH Franco. Multilocational Testing of Grasses and Legumes in the Humid Tropics of South America. International Center for Tropical Agriculture, 1992.
MLA (9th ed.) Citation
Keller-Grein, Gerhard, et al. Multilocational Testing of Grasses and Legumes in the Humid Tropics of South America. International Center for Tropical Agriculture, 1992.
Warning: These citations may not always be 100% accurate.