Hans Hartung.

MLA

Apollonio, Umbro. Hans Hartung. Paris: O.D.E.G.E., 1966.

APA

Apollonio, U. (1966). Hans Hartung. Paris: O.D.E.G.E.

Chicago

Apollonio, Umbro Hans Hartung. Paris: O.D.E.G.E., 1966.