APA (7th ed.) Citation

Thompson, O. (1940). Plots of the operas: As compiled for the International cyclopedia of music and musicians. The World Publishing company.

Chicago Style (17th ed.) Citation

Thompson, Oscar. Plots of the Operas: As Compiled for the International Cyclopedia of Music and Musicians. New York: The World Publishing company, 1940.

MLA (9th ed.) Citation

Thompson, Oscar. Plots of the Operas: As Compiled for the International Cyclopedia of Music and Musicians. The World Publishing company, 1940.