David Hockney : Space & Line : Grand Canyon Pastels on Paper 1998 & Works on Paper 1966-1994.

MLA

David Hockney : Space & Line : Grand Canyon Pastels On Paper 1998 & Works On Paper 1966-1994. New York: Richard Gray Gallery, 1999.

APA

(1999). David Hockney : Space & Line : Grand Canyon Pastels on Paper 1998 & Works on Paper 1966-1994. New York: Richard Gray Gallery.

Chicago

David Hockney: Space & Line : Grand Canyon Pastels On Paper 1998 & Works On Paper 1966-1994. New York: Richard Gray Gallery, 1999.