Cita APA (7th ed.)

Piers, G., & Singer, M. B. (1953). Shame and guilt. Thomas.

Cita Chicago (17th ed.)

Piers, Gerhart, i Milton B. Singer. Shame and Guilt. Springfield, Ill: Thomas, 1953.

Cita MLA (9th ed.)

Piers, Gerhart, i Milton B. Singer. Shame and Guilt. Thomas, 1953.