APA (7th ed.) Citation

Westerman, G. v., & Rosenthal, H. D. (1965). Opera guide. E.P. Dutton.

Chicago Style (17th ed.) Citation

Westerman, Gerhart von, and Harold D. Rosenthal. Opera Guide. New York: E.P. Dutton, 1965.

MLA (9th ed.) Citation

Westerman, Gerhart von, and Harold D. Rosenthal. Opera Guide. E.P. Dutton, 1965.