APA (7th ed.) Citation

Leopold, R. W., & Link, A. S. (1957). Problems in American history (2nd ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Leopold, Richard William, and Arthur Stanley Link. Problems in American History. 2nd ed. Englewood Cliffs, N.J: Prentice-Hall, 1957.

MLA (9th ed.) Citation

Leopold, Richard William, and Arthur Stanley Link. Problems in American History. 2nd ed. Prentice-Hall, 1957.