Cita APA (7th ed.)

Beck, C. R. (2014). What to listen for in opera: An introductory handbook. McFarland & Company, Inc., Publishers.

Cita Chicago (17th ed.)

Beck, Charles R. What to Listen for in Opera: An Introductory Handbook. Jefferson, North Carolina: McFarland & Company, Inc., Publishers, 2014.

Cita MLA (9th ed.)

Beck, Charles R. What to Listen for in Opera: An Introductory Handbook. McFarland & Company, Inc., Publishers, 2014.