APA (7th ed.) Citation

Rich, M. F. (1976). Who's who in opera: An international biographical directory of singers, conductors, directors, designers, and administrators .. Arno Prss.

Chicago Style (17th ed.) Citation

Rich, Maria F. Who's Who in Opera: An International Biographical Directory of Singers, Conductors, Directors, Designers, and Administrators .. New York: Arno Prss, 1976.

MLA (9th ed.) Citation

Rich, Maria F. Who's Who in Opera: An International Biographical Directory of Singers, Conductors, Directors, Designers, and Administrators .. Arno Prss, 1976.