APA
Twombly C., Bastian H. e., . (1993). Cy Twombly : catalogue raisonne of the paintings volume II 1961-1965. Munchen: Schirmer/Mosel.
Chicago
Twombly Cy, Bastian Heiner ed, . 1993. Cy Twombly : catalogue raisonne of the paintings volume II 1961-1965. Munchen: Schirmer/Mosel.
Harvard
Twombly C., Bastian H. e., . (1993). Cy Twombly : catalogue raisonne of the paintings volume II 1961-1965. Munchen: Schirmer/Mosel.
MLA
Twombly Cy, Bastian Heiner ed, . Cy Twombly : catalogue raisonne of the paintings volume II 1961-1965. Munchen: Schirmer/Mosel. 1993.