Cita APA (7a ed.)

Sontag, F. (1969). The crisis of faith: A Protestant witness in Rome. Doubleday & Company.

Cita Chicago Style (17a ed.)

Sontag, Frederick. The Crisis of Faith: A Protestant Witness in Rome. Garden City (New York): Doubleday & Company, 1969.

Cita MLA (9a ed.)

Sontag, Frederick. The Crisis of Faith: A Protestant Witness in Rome. Doubleday & Company, 1969.