APA (7th ed.) Citation

Wolf, D., & Denig, A. (1944). Iris: A song. Harold Flammer.

Chicago Style (17th ed.) Citation

Wolf, Daniel, and Alice Denig. Iris: A Song. New York: Harold Flammer, 1944.

MLA (9th ed.) Citation

Wolf, Daniel, and Alice Denig. Iris: A Song. Harold Flammer, 1944.