APA (7th ed.) Citation

Thomas, H., & Thomas, D. L. (1940). Living biographies of great composers. Blue Ribbon Books.

Chicago Style (17th ed.) Citation

Thomas, Henry, and Dana Lee Thomas. Living Biographies of Great Composers. Nueva York: Blue Ribbon Books, 1940.

MLA (9th ed.) Citation

Thomas, Henry, and Dana Lee Thomas. Living Biographies of Great Composers. Blue Ribbon Books, 1940.