Cita APA (7a ed.)

Schwartz, M., & O'Connor, J. (1981). The new exploring American history. Globe Book.

Cita Chicago Style (17a ed.)

Schwartz, Melvin, y John O'Connor. The New Exploring American History. New York [u.a.]: Globe Book, 1981.

Cita MLA (9a ed.)

Schwartz, Melvin, y John O'Connor. The New Exploring American History. Globe Book, 1981.