Citazione Stile APA (7a Edizione)

ebrary, Inc, Adewuyi, B., & Chukwu, K. (2012). Soil fertility: Characteristics, processes and management. Nova Science Publishers.

Citazione stile Chigago Style (17a edizione)

ebrary, Inc, Bolanle Adewuyi, e Kayin Chukwu. Soil Fertility: Characteristics, Processes and Management. New York: Nova Science Publishers, 2012.

Citatione MLA (9a ed.)

ebrary, Inc, et al. Soil Fertility: Characteristics, Processes and Management. Nova Science Publishers, 2012.