APA (7th ed.) Citation

Webern, A., & Boulez, P. (1978). Variations op. 27 (1936). Deutsche Grammophon.

Chicago Style (17th ed.) Citation

Webern, Anton, and Pierre Boulez. Variations Op. 27 (1936). [S. l.]: Deutsche Grammophon, 1978.

MLA (8th ed.) Citation

Webern, Anton, and Pierre Boulez. Variations Op. 27 (1936). Deutsche Grammophon, 1978.