Cita APA (7th ed.)

Still, C. Brief an Gordon Smith 1959: Clyfford Still. 1940 - 1991.(1998).

Cita Chicago (17th ed.)

Still, Clyfford. "Brief an Gordon Smith 1959: Clyfford Still." 1940 - 1991.(1998) .

Cita MLA (8th ed.)

Still, Clyfford. "Brief an Gordon Smith 1959: Clyfford Still." 1940 - 1991.(1998), .