3 -> ∞ : new multiple art.

MLA

Gerstner, Karl. 3 -> ∞ : New Multiple Art. London: Arts Council of Great Britain, 1970.

APA

Gerstner, K. (1970). 3 -> ∞ : new multiple art. London: Arts Council of Great Britain.

Chicago

Gerstner, Karl 3 -> ∞ : New Multiple Art. London: Arts Council of Great Britain, 1970.