Citazione Stile APA (7a Edizione)

ROGERS, J. A. (1961). Africa’s gifts to America: The Afro-American in the making and saving of the United States, with new supplement Africa and its potentialities. Helga M. Rogers.

Citazione stile Chigago Style (17a edizione)

ROGERS, Joel Augustus. Africa’s Gifts to America: The Afro-American in the Making and Saving of the United States, with New Supplement Africa and Its Potentialities. Helga M. Rogers, 1961.

Citatione MLA (9a ed.)

ROGERS, Joel Augustus. Africa’s Gifts to America: The Afro-American in the Making and Saving of the United States, with New Supplement Africa and Its Potentialities. Helga M. Rogers, 1961.