Citazione Stile APA (7a Edizione)

Sheffield, J. R., & Diejomaoh, V. P. (1972). Non-formal education in African development. African-American Institute.

Citazione stile Chigago Style (17a edizione)

Sheffield, James R., e Victor P. Diejomaoh. Non-formal Education in African Development. New York: African-American Institute, 1972.

Citatione MLA (8a ed.)

Sheffield, James R., e Victor P. Diejomaoh. Non-formal Education in African Development. African-American Institute, 1972.