Cita APA (7a ed.)

Drdla, F., & Greenwald, M. (1917). Souvenir. Century Music.

Cita Chicago Style (17a ed.)

Drdla, Franz, y M. Greenwald. Souvenir. New York: Century Music, 1917.

Cita MLA (9a ed.)

Drdla, Franz, y M. Greenwald. Souvenir. Century Music, 1917.