APA (7th ed.) Citation

Leopold, R. W. (1972). Problems in American history. Prentice-Hall.

Chicago Style (17th ed.) Citation

Leopold, Richard W. Problems in American History. Prentice-Hall, 1972.

MLA (8th ed.) Citation

Leopold, Richard W. Problems in American History. Prentice-Hall, 1972.

Warning: These citations may not always be 100% accurate.