MLA

Nattiez, Jean-Jacques, and Robert Samuels. The Boulez-cage Correspondence. Cambridge: Cambridge University, 1993.

APA

Nattiez, J., & Samuels, R. (1993). The Boulez-Cage Correspondence. Cambridge: Cambridge University.

Chicago

Nattiez, Jean-Jacques The Boulez-Cage Correspondence. Translated by Robert Samuels. Cambridge: Cambridge University, 1993.