Cita APA (7a ed.)

Barrett, W. E. (1964). Shepherd of mankind: A biography of Pope Paul VI. Doubleday & Company, Inc.

Cita Chicago Style (17a ed.)

Barrett, William E. Shepherd of Mankind: A Biography of Pope Paul VI. Garden City (New York): Doubleday & Company, Inc, 1964.

Cita MLA (9a ed.)

Barrett, William E. Shepherd of Mankind: A Biography of Pope Paul VI. Doubleday & Company, Inc, 1964.