APA (7th ed.) Zitazioa

McSpadden, J. W. (1915). Opera synopses: A guide to the plots and characters of the standard operas. Thomas Y.Crowell.

Chicago Style (17th ed.) Zitazioa

McSpadden, Joseph Walker. Opera Synopses: A Guide to the Plots and Characters of the Standard Operas. Nueva York: Thomas Y.Crowell, 1915.

MLA (9th ed.) Zitazioa

McSpadden, Joseph Walker. Opera Synopses: A Guide to the Plots and Characters of the Standard Operas. Thomas Y.Crowell, 1915.