Cita APA (7th ed.)

Hearden, P. J. (2008). The tragedy of Vietnam (3rd ed.). Pearson Longman.

Cita Chicago (17th ed.)

Hearden, Patrick J. The Tragedy of Vietnam. 3rd ed. New York: Pearson Longman, 2008.

Cita MLA (9th ed.)

Hearden, Patrick J. The Tragedy of Vietnam. 3rd ed. Pearson Longman, 2008.