Reg Butler : Sculpture & Drawings 1968-1972.

MLA

Reg Butler : Sculpture & Drawings 1968-1972. New York: Pierre Matisse Gallery, 1973.

APA

(1973). Reg Butler : Sculpture & Drawings 1968-1972. New York: Pierre Matisse Gallery.

Chicago

Reg Butler: Sculpture & Drawings 1968-1972. New York: Pierre Matisse Gallery, 1973.