Παραπομπή σε μορφή APA (7η εκδ.)

Pepper, I. (1997). From the Aesthetics of Indifference to Negative Aesthetics: John Cage and Germany 1958-1972. October.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Pepper, Ian. "From the Aesthetics of Indifference to Negative Aesthetics: John Cage and Germany 1958-1972." October 1997.

Παραπομπή σε μορφή MLA (8th εκδ.)

Pepper, Ian. "From the Aesthetics of Indifference to Negative Aesthetics: John Cage and Germany 1958-1972." October, 1997.