APA (7th ed.) Citation

Mozart, W. A., Hens, D., & Gulda, F. (1990). Mostly Mozart. Monarda Arts.

Chicago Style (17th ed.) Citation

Mozart, Wolfgang Amadeus, Dieter Hens, and Friedrich Gulda. Mostly Mozart. Halle, Saxony-Anhalt: Monarda Arts, 1990.

MLA (9th ed.) Citation

Mozart, Wolfgang Amadeus, et al. Mostly Mozart. Monarda Arts, 1990.