APA (7th ed.) Citation
Tarawali, S. A., Okike, I., Kristjanson, P. M., & Singh, B. (2005). Dual-purpose cowpea for West Africa.
Chicago Style (17th ed.) Citation
Tarawali, Shirley A., Iheanacho Okike, Patricia M. Kristjanson, and B.B Singh. Dual-purpose Cowpea for West Africa. 2005.
MLA (9th ed.) Citation
Tarawali, Shirley A., et al. Dual-purpose Cowpea for West Africa. 2005.
Warning: These citations may not always be 100% accurate.