Sol LeWitt : Four basic colours and their combinations : Yellow - Black - Red - Blue.

MLA

Sol Lewitt : Four Basic Colours and Their Combinations : Yellow - Black - Red - Blue. London: Lisson Publications, 1971.

APA

(1971). Sol LeWitt : Four basic colours and their combinations : Yellow - Black - Red - Blue. London: Lisson Publications.

Chicago

Sol Lewitt: Four Basic Colours and Their Combinations : Yellow - Black - Red - Blue. London: Lisson Publications, 1971.