APA (7th ed.) Citation
Liya, S., Odu, C., Agboola, A., & Mulongoy, K. (1991). Estimation of N2 fixation by nitrogenfixing trees in the subhumid tropics using 15N dilution and difference methods.
Chicago Style (17th ed.) Citation
Liya, S.M, C.T.I Odu, A.A Agboola, and K. Mulongoy. Estimation of N2 Fixation by Nitrogenfixing Trees in the Subhumid Tropics Using 15N Dilution and Difference Methods. 1991.
MLA (9th ed.) Citation
Liya, S.M, et al. Estimation of N2 Fixation by Nitrogenfixing Trees in the Subhumid Tropics Using 15N Dilution and Difference Methods. 1991.
Warning: These citations may not always be 100% accurate.