APA (7th ed.) Citation

Boulez, P., & Wiesmann, S. (1976). Gustav Mahler in Vienna. Rizzoli International Publications.

Chicago Style (17th ed.) Citation

Boulez, Pierre, and Sigrid Wiesmann. Gustav Mahler in Vienna. New York: Rizzoli International Publications, 1976.

MLA (9th ed.) Citation

Boulez, Pierre, and Sigrid Wiesmann. Gustav Mahler in Vienna. Rizzoli International Publications, 1976.