APA (7th ed.) Citation

Smale, M., Byerlee, D., & Jayne, T. (2012). Maize revolutions in Sub-Saharan Africa.

Chicago Style (17th ed.) Citation

Smale, Melinda, Derek Byerlee, and Thom Jayne. Maize Revolutions in Sub-Saharan Africa. 2012.

MLA (8th ed.) Citation

Smale, Melinda, et al. Maize Revolutions in Sub-Saharan Africa. 2012.