APA (7th ed.) Citation

Neal, H. E. (1981). Before Columbus, who discovered America? J. Messner.

Chicago Style (17th ed.) Citation

Neal, Harry Edward. Before Columbus, Who Discovered America? New York, N.Y.: J. Messner, 1981.

MLA (9th ed.) Citation

Neal, Harry Edward. Before Columbus, Who Discovered America? J. Messner, 1981.