Andy Warhol prints :
a catalogue raisonné /
edited by Frayda Feldman and Jörg Schellmann.

APA Citation

Warhol, A., Schellmann, J., Feldman, F. (1989). Andy Warhol prints: a catalogue raisonné. Rev. & updated. New York: R. Feldman Fine Arts, Inc..

MLA Citation

Warhol, Andy, 1928-1987, Jörg Schellmann, and Frayda Feldman. Andy Warhol Prints: a Catalogue Raisonné. Rev. & updated. New York: R. Feldman Fine Arts, Inc., 1989.

Warning: These citations may not always be complete (especially for serials).