APA (7th ed.) Citation
Nweke, F., Ugwu, B., Asadu, C., & Ay, P. (1991). Production costs in the yambased cropping systems of southeastern Nigeria: RCMP research monograph, No. 6.
Chicago Style (17th ed.) Citation
Nweke, F., B. Ugwu, C. Asadu, and P. Ay. Production Costs in the Yambased Cropping Systems of Southeastern Nigeria: RCMP Research Monograph, No. 6. 1991.
MLA (9th ed.) Citation
Nweke, F., et al. Production Costs in the Yambased Cropping Systems of Southeastern Nigeria: RCMP Research Monograph, No. 6. 1991.
Warning: These citations may not always be 100% accurate.