Cita APA (7th ed.)

Leopold, R. W., Link, A. S., & Coben, S. (1966). Problems in American history (3d ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Leopold, Richard William, Arthur S. Link, i Stanley Coben. Problems in American History. 3d ed. Englewood Cliffs, N.J.: Prentice-Hall, 1966.

Cita MLA (8th ed.)

Leopold, Richard William, et al. Problems in American History. 3d ed. Prentice-Hall, 1966.