MLA

Proof Positive: Forty Years of Contemporary American Printmaking At Ulae 1957-1997. New York: Harry N. Abrams, 1997.

APA

(1997). Proof positive: forty years of contemporary American printmaking at ULAE 1957-1997. New York: Harry N. Abrams.

Chicago

Proof Positive: Forty Years of Contemporary American Printmaking At ULAE 1957-1997. New York: Harry N. Abrams, 1997.