Cita APA (7th ed.)

American Heritage. (1970). The american heritage. American Heritage Publishing.

Cita Chicago (17th ed.)

American Heritage. The American Heritage. New York: American Heritage Publishing, 1970.

Cita MLA (9th ed.)

American Heritage. The American Heritage. American Heritage Publishing, 1970.

Atenció: Aquestes cites poden no estar 100% correctes.