MLA

Francis, Mark, and Dieter Koepplin. Andy Warhol : Drawings 1942-1987. [S.l.]: A Schirmer/ Mosel, 1998.

APA

Francis, M., & Koepplin, D. (1998). Andy Warhol : drawings 1942-1987. [S.l.]: A Schirmer/ Mosel.

Chicago

Francis, Mark, and Dieter Koepplin. Andy Warhol: Drawings 1942-1987. [S.l.]: A Schirmer/ Mosel, 1998.