Cita APA (7a ed.)
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.
Cita Chicago Style (17a ed.)
Liya, S.M, C.T.I Odu, A.A Agboola, y K. Mulongoy. Estimation of N2 Fixation by Nitrogenfixing Trees in the Subhumid Tropics Using 15N Dilution and Difference Methods. 1991.
Cita MLA (9a ed.)
Liya, S.M, et al. Estimation of N2 Fixation by Nitrogenfixing Trees in the Subhumid Tropics Using 15N Dilution and Difference Methods. 1991.
Precaución: Estas citas no son 100% exactas.