Serota, N., & Cullinan, N. (2008). Cy Twombly: Cycles and seasons. Tate Publ..
Cita Chicago (17th ed.)Serota, Nicholas, i Nicholas Cullinan. Cy Twombly: Cycles and Seasons. London: Tate Publ., 2008.
Cita MLA (8th ed.)Serota, Nicholas, i Nicholas Cullinan. Cy Twombly: Cycles and Seasons. Tate Publ., 2008.
Atenció: Aquestes cites poden no estar 100% correctes.