Cita APA (7a ed.)

Society, S. G. M. (1919). [Choirs from the Roman Basilicas and the Vatican]. New York.

Cita Chicago Style (17a ed.)

Society, St. Gregory Musical. [Choirs from the Roman Basilicas and the Vatican]. New York, 1919.

Cita MLA (8a ed.)

Society, St. Gregory Musical. [Choirs from the Roman Basilicas and the Vatican]. New York, 1919.