Citazione Stile APA (7a Edizione)

Ekanad, O., & Jeje, L. (2014). The Impact of Cocoa Cultivation on Soil Characterstics in Southwestern Nigeria. Obafemi Awolowo University.

Citazione stile Chigago Style (17a edizione)

Ekanad, Olusegun, e L.K Jeje. The Impact of Cocoa Cultivation on Soil Characterstics in Southwestern Nigeria. Obafemi Awolowo University, 2014.

Citatione MLA (9a ed.)

Ekanad, Olusegun, e L.K Jeje. The Impact of Cocoa Cultivation on Soil Characterstics in Southwestern Nigeria. Obafemi Awolowo University, 2014.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.