Gertrude Schweitzer (exhibition New York, Hirschl & Adler Galleries, through May 9, 1964).

MLA

Gertrude Schweitzer (exhibition New York, Hirschl & Adler Galleries, Through May 9, 1964). New York City, 1964.

APA

(1964). Gertrude Schweitzer (exhibition New York, Hirschl & Adler Galleries, through May 9, 1964). New York City.

Chicago

Gertrude Schweitzer (exhibition New York, Hirschl & Adler Galleries, Through May 9, 1964). New York City, 1964.