APA (7th ed.) Citation

DiGaetani, J. L. (1986). An invitation to the opera. Facts On File Pub.

Chicago Style (17th ed.) Citation

DiGaetani, John Louis. An Invitation to the Opera. New York: Facts On File Pub, 1986.

MLA (9th ed.) Citation

DiGaetani, John Louis. An Invitation to the Opera. Facts On File Pub, 1986.