APA (7th ed.) Citation

Fogel, R. W., & Engerman, S. L. (1974). Time on the cross: The economics of American negro slavery. Norton & Co.

Chicago Style (17th ed.) Citation

Fogel, Robert William, and Stanley L. Engerman. Time on the Cross: The Economics of American Negro Slavery. New York, N.Y. [u.a.]: Norton & Co, 1974.

MLA (8th ed.) Citation

Fogel, Robert William, and Stanley L. Engerman. Time on the Cross: The Economics of American Negro Slavery. Norton & Co, 1974.