Cita APA (7th ed.)

Crozier, E., Britten, B., & Ardizzone, E. (1962). The story of Let's make an opera! Oxford University Press.

Cita Chicago (17th ed.)

Crozier, Eric, Benjamin Britten, i Edward Ardizzone. The Story of Let's Make an Opera! London: Oxford University Press, 1962.

Cita MLA (8th ed.)

Crozier, Eric, et al. The Story of Let's Make an Opera! Oxford University Press, 1962.