(1968). 4. Documenta Kassel '68. 4. Documenta Kassel '68.
Chicago Style Citation"4. Documenta Kassel '68." 4. Documenta Kassel '68 1968.
MLA Citation"4. Documenta Kassel '68." 4. Documenta Kassel '68 1968.
Warning: These citations may not always be 100% accurate.