Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (9th εκδ.)

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.