APA (7th ed.) Citation
Lupwayi, N., & Mkandawire, A. (1992). Improved soil fertiliy increases nodulation of Phaseolus beans. International Center for Tropical Agriculture.
Chicago Style (17th ed.) Citation
Lupwayi, N.Z, and A.B.C Mkandawire. Improved Soil Fertiliy Increases Nodulation of Phaseolus Beans. International Center for Tropical Agriculture, 1992.
MLA (9th ed.) Citation
Lupwayi, N.Z, and A.B.C Mkandawire. Improved Soil Fertiliy Increases Nodulation of Phaseolus Beans. International Center for Tropical Agriculture, 1992.
Warning: These citations may not always be 100% accurate.