APA (7th ed.) Citation

Gounod, C., Bach, J. S., & Geehl, H. E. (1942). Ave Maria. Edwin Ashdown.

Chicago Style (17th ed.) Citation

Gounod, Charles, Johann Sebastian Bach, and Henry Ernest Geehl. Ave Maria. [London]: Edwin Ashdown, 1942.

MLA (9th ed.) Citation

Gounod, Charles, et al. Ave Maria. Edwin Ashdown, 1942.