Citazione Stile APA (7a Edizione)

Schwartz, S., & O'Connor, J. R. (1979). The age of greatness: Since the civil war. Globe Book.

Citazione stile Chigago Style (17a edizione)

Schwartz, Sidney, e John R. O'Connor. The Age of Greatness: Since the Civil War. New York [u.a.]: Globe Book, 1979.

Citatione MLA (9a ed.)

Schwartz, Sidney, e John R. O'Connor. The Age of Greatness: Since the Civil War. Globe Book, 1979.