Cita APA (7a ed.)
Emechebe, A., Singh, B., Leleji, O., Atokple, I., & Adu, J. (1991). Cowpea striga problems and research in Nigeria.
Cita Chicago Style (17a ed.)
Emechebe, A.M, B.B Singh, O.I Leleji, I.D.K Atokple, y J.K Adu. Cowpea Striga Problems and Research in Nigeria. 1991.
Cita MLA (9a ed.)
Emechebe, A.M, et al. Cowpea Striga Problems and Research in Nigeria. 1991.
Precaución: Estas citas no son 100% exactas.