R. Crumb sketchbook : volume 3: 1966.

MLA

R. Crumb Sketchbook : Volume 3: 1966. Seattle: Fantagraphics books, 1993.

APA

(1993). R. Crumb sketchbook : volume 3: 1966. Seattle: Fantagraphics books.

Chicago

R. Crumb Sketchbook: Volume 3: 1966. Seattle: Fantagraphics books, 1993.