Cita APA (7a ed.)

Schwartz, S., & O'Connor, J. R. (1984). Exploring our nation's history. Globe Book.

Cita Chicago Style (17a ed.)

Schwartz, Sidney, y John R. O'Connor. Exploring Our Nation's History. New York [u.a.]: Globe Book, 1984.

Cita MLA (9a ed.)

Schwartz, Sidney, y John R. O'Connor. Exploring Our Nation's History. Globe Book, 1984.