Cita APA (7th ed.)

Klapp, O. E. (1962). Heroes, villains, and fools: The changing American character. Prentice-Hall.

Cita Chicago (17th ed.)

Klapp, Orrin Edgar. Heroes, Villains, and Fools: The Changing American Character. Englewood cliffs, N.J: Prentice-Hall, 1962.

Cita MLA (9th ed.)

Klapp, Orrin Edgar. Heroes, Villains, and Fools: The Changing American Character. Prentice-Hall, 1962.