How to cite this article
APA /
Abdullahi, M. S., Uzairu, A., & Okunola, O. J. (2008). Determination of some trace metal levels in onion leaves from irrigated farmlands on the bank of River Challawa, Nigeria. African Journal of Biotechnology , 7(10), 1526-1529.
Chicago /
Abdullahi, M. S., Uzairu, A. and Okunola, O. J.. "Determination of some trace metal levels in onion leaves from irrigated farmlands on the bank of River Challawa, Nigeria." African Journal of Biotechnology 7, no. 10 (2008): 1526-1529.
MLA /
Abdullahi, et al. "Determination of some trace metal levels in onion leaves from irrigated farmlands on the bank of River Challawa, Nigeria." African Journal of Biotechnology 7.10 (2008): 1526-1529.