APA (7th ed.) Citation
Lawson, T., & Kang, B. (1990). Yield of maize and cowpea in an alley cropping system in relation to available light. Elsevier.
Chicago Style (17th ed.) Citation
Lawson, T.L, and B.T Kang. Yield of Maize and Cowpea in an Alley Cropping System in Relation to Available Light. Elsevier, 1990.
MLA (9th ed.) Citation
Lawson, T.L, and B.T Kang. Yield of Maize and Cowpea in an Alley Cropping System in Relation to Available Light. Elsevier, 1990.
Warning: These citations may not always be 100% accurate.