APA (7th ed.) Citation

Wagner, R., Schneider, P., Schenk, M., Frey, P., Studer, C., & Wlaschiha, E. (1991). Lohengrin. Unitel.

Chicago Style (17th ed.) Citation

Wagner, Richard, Peter Schneider, Manfred Schenk, Paul Frey, Cheryl Studer, and Ekkehard Wlaschiha. Lohengrin. München: Unitel, 1991.

MLA (9th ed.) Citation

Wagner, Richard, et al. Lohengrin. Unitel, 1991.