APA (7th ed.) Citation

Gilman, L. (1969). Aspects of modern opera: Estimates and inquiries. Haskell House Publishers.

Chicago Style (17th ed.) Citation

Gilman, Lawrence. Aspects of Modern Opera: Estimates and Inquiries. New York: Haskell House Publishers, 1969.

MLA (9th ed.) Citation

Gilman, Lawrence. Aspects of Modern Opera: Estimates and Inquiries. Haskell House Publishers, 1969.

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