APA (7th ed.) Citation
Lagemann, J., Flinn, J., Okigbo, B., & Moorman, F. (1975). Root crop/oil palm farming systems: A case study from Eastern Nigeria.
Chicago Style (17th ed.) Citation
Lagemann, Johannes, J.C Flinn, B. Okigbo, and F.R Moorman. Root Crop/oil Palm Farming Systems: A Case Study from Eastern Nigeria. 1975.
MLA (9th ed.) Citation
Lagemann, Johannes, et al. Root Crop/oil Palm Farming Systems: A Case Study from Eastern Nigeria. 1975.
Warning: These citations may not always be 100% accurate.