APA (7th ed.) Citation

Callas, M., & Ardoin, J. (1998). Callas at Juilliard: The master classes. Amadeus Press.

Chicago Style (17th ed.) Citation

Callas, Maria, and John Ardoin. Callas at Juilliard: The Master Classes. Portland, Ore: Amadeus Press, 1998.

MLA (9th ed.) Citation

Callas, Maria, and John Ardoin. Callas at Juilliard: The Master Classes. Amadeus Press, 1998.