Simon, H. W., & Veinus, A. (1949). The pocket book of great operas (1st print.). Pocket Books.
Chicago Style (17th ed.) CitationSimon, Henry W., and Abraham Veinus. The Pocket Book of Great Operas. 1st print. New York: Pocket Books, 1949.
MLA (9th ed.) CitationSimon, Henry W., and Abraham Veinus. The Pocket Book of Great Operas. 1st print. Pocket Books, 1949.
Warning: These citations may not always be 100% accurate.