Selz, P., & Freeman, P. (1982). Sam Francis: With Essays on his Prints by Susan Einstein and Jan Butterfield. Harry N. Abrams Publishers.
Chicago-referens (17:e uppl.)Selz, Peter, och Phyllis Freeman. Sam Francis: With Essays on His Prints by Susan Einstein and Jan Butterfield. New York: Harry N. Abrams Publishers, 1982.
MLA-referens (8:e uppl.)Selz, Peter, och Phyllis Freeman. Sam Francis: With Essays on His Prints by Susan Einstein and Jan Butterfield. Harry N. Abrams Publishers, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.