APA način citiranja (7. izdanje)

OLU-OBI, A., HEDLIN , R. A., & CHO, C. M. (2020). FATE OF ADDED NITROGEN IN SOILS. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria.

Čikaški stil citiranja (17. izdanje)

OLU-OBI, A., R. A. HEDLIN , i C. M. CHO. FATE OF ADDED NITROGEN IN SOILS. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.

MLA način citiranja (9. izdanje)

OLU-OBI, A., et al. FATE OF ADDED NITROGEN IN SOILS. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.