APA (7th ed.) Citation

Wilson, H. E., & Lamb, W. E. (1947). American history. American Book Co.

Chicago Style (17th ed.) Citation

Wilson, Howard Eugene, and Wallace E. Lamb. American History. New York, Cincinnati [etc.]: American Book Co, 1947.

MLA (8th ed.) Citation

Wilson, Howard Eugene, and Wallace E. Lamb. American History. American Book Co, 1947.