Cita APA (7a ed.)

Parker, R., & Groos, A. (1988). Reading Opera. Princeton University Press.

Cita Chicago Style (17a ed.)

Parker, Roger, y Arthur Groos. Reading Opera. Princeton, New Jersey: Princeton University Press, 1988.

Cita MLA (8a ed.)

Parker, Roger, y Arthur Groos. Reading Opera. Princeton University Press, 1988.