APA (7th ed.) Citation

Lehnhoff, N., Westbroek, E., Todorovich, Z., Gallo, L., & Puccini, G. (2009). La fanciulla del West: Backstage insights. [publisher not identified].

Chicago Style (17th ed.) Citation

Lehnhoff, Nikolaus, Eva-Maria Westbroek, Zoran Todorovich, Lucio Gallo, and Giacomo Puccini. La Fanciulla Del West: Backstage Insights. [Place of publication not identified]: [publisher not identified], 2009.

MLA (9th ed.) Citation

Lehnhoff, Nikolaus, et al. La Fanciulla Del West: Backstage Insights. [publisher not identified], 2009.