Five famous operas and their backgrounds
[by] Helen L. Kaufmann and Henry Simon

APA Citation

Kaufmann, H. Loeb., Simon, H. W. (Henry William). (1973). Five famous operas and their backgrounds. [1st ed.] Garden City, N.Y.: Doubleday.

MLA Citation

Kaufmann, Helen Loeb, and Henry W. (Henry William) Simon. Five Famous Operas And Their Backgrounds. [1st ed.] Garden City, N.Y.: Doubleday, 1973.

Warning: These citations may not always be complete (especially for serials).