APA (7th ed.) Citation

Knoebel, I. (1971). Projektion X. 1969 - 1971.

Chicago Style (17th ed.) Citation

Knoebel, Imi. "Projektion X." 1969 - 1971 1971.

MLA (8th ed.) Citation

Knoebel, Imi. "Projektion X." 1969 - 1971, 1971.

Warning: These citations may not always be 100% accurate.