APA (7th ed.) Citation

Wiener Sängerknaben, Familie Teufel (Musical group), & Harrer, U. C. (1991). Christmas in Vienna. Philips.

Chicago Style (17th ed.) Citation

Wiener Sängerknaben, Familie Teufel (Musical group), and Uwe Christian Harrer. Christmas in Vienna. [Place of publication not identified]: Philips, 1991.

MLA (9th ed.) Citation

Wiener Sängerknaben, et al. Christmas in Vienna. Philips, 1991.