APA (7e ed.) Bronvermelding

Holt, R., & Geiger, E. J. (1974). George Washington Carver: A great American Negro teacher. Dell Publishing Co.

Chicago (17e ed.) Bronvermelding

Holt, Rackham, en Elizabeth J. Geiger. George Washington Carver: A Great American Negro Teacher. New York: Dell Publishing Co, 1974.

MLA (9e ed.) Bronvermelding

Holt, Rackham, en Elizabeth J. Geiger. George Washington Carver: A Great American Negro Teacher. Dell Publishing Co, 1974.