Hans Hartung : : Pastels 1958 (exhibition New York, Kleemann Galleries, 1 March - 31 March 1959).

MLA

Hans Hartung : Pastels 1958 (exhibition New York, Kleemann Galleries, 1 March - 31 March 1959). New York City: Kleemann Galleries, 1959.

APA

(1959). Hans Hartung : Pastels 1958 (exhibition New York, Kleemann Galleries, 1 March - 31 March 1959). New York City: Kleemann Galleries.

Chicago

Hans Hartung: Pastels 1958 (exhibition New York, Kleemann Galleries, 1 March - 31 March 1959). New York City: Kleemann Galleries, 1959.