APA (7th ed.) Citation

Wilson, H. E., & Lamb, W. E. (1950). American history. American Book Comp.

Chicago Style (17th ed.) Citation

Wilson, Howard E., and Wallace E. Lamb. American History. New York [u.a.]: American Book Comp, 1950.

MLA (9th ed.) Citation

Wilson, Howard E., and Wallace E. Lamb. American History. American Book Comp, 1950.