Cita APA (7a ed.)

Rohner, T., & Christie, J. (1968). 50 christmas carols. The M-F Music Company.

Cita Chicago Style (17a ed.)

Rohner, Traugott, y John Christie. 50 Christmas Carols. Evanston, IL: The M-F Music Company, 1968.

Cita MLA (9a ed.)

Rohner, Traugott, y John Christie. 50 Christmas Carols. The M-F Music Company, 1968.