Cita APA (7a ed.)

Beardslee, B., & Proctor, M. Z. (2017). I Sang the Unsingable: My Life in Twentieth-Century Music. Boydell & Brewer.

Cita Chicago Style (17a ed.)

Beardslee, Bethany, y Minna Zallman Proctor. I Sang the Unsingable: My Life in Twentieth-Century Music. Melton: Boydell & Brewer, 2017.

Cita MLA (8a ed.)

Beardslee, Bethany, y Minna Zallman Proctor. I Sang the Unsingable: My Life in Twentieth-Century Music. Boydell & Brewer, 2017.