Cita APA (7a ed.)

Metzger, H. (1990). John Cage. Ed. Text + Kritik.

Cita Chicago Style (17a ed.)

Metzger, Heinz-Klaus. John Cage. München: Ed. Text + Kritik, 1990.

Cita MLA (8a ed.)

Metzger, Heinz-Klaus. John Cage. Ed. Text + Kritik, 1990.