Cita APA (7th ed.)

Petitjean, P., Seaver, J., & Seaver, R. (1979). Backstage with the Ballet. Penguin Books.

Cita Chicago (17th ed.)

Petitjean, Pierre, Jeannette Seaver, i Richard Seaver. Backstage with the Ballet. New York, USA: Penguin Books, 1979.

Cita MLA (9th ed.)

Petitjean, Pierre, et al. Backstage with the Ballet. Penguin Books, 1979.