APA (7th ed.) Citation

Raphael, R. (1969). Richard Wagner. Twayne.

Chicago Style (17th ed.) Citation

Raphael, Robert. Richard Wagner. New York: Twayne, 1969.

MLA (9th ed.) Citation

Raphael, Robert. Richard Wagner. Twayne, 1969.

Warning: These citations may not always be 100% accurate.