Cita APA (7a ed.)

Kaplan, R. S., & Campbell, D. (2001). Boston Lyric Opera. The European Case Clearing House.

Cita Chicago Style (17a ed.)

Kaplan, Robert S., y Dennis Campbell. Boston Lyric Opera. [Bedfordshire]: The European Case Clearing House, 2001.

Cita MLA (9a ed.)

Kaplan, Robert S., y Dennis Campbell. Boston Lyric Opera. The European Case Clearing House, 2001.