Schaeffer Galleries New York : : twenty-fifth anniversary 1936-1961.

MLA

Schaeffer, Hanns S. Schaeffer Galleries New York : Twenty-fifth Anniversary 1936-1961. New York City: Schaeffer Galleries, 1961.

APA

Schaeffer, H. S. (1961). Schaeffer Galleries New York : twenty-fifth anniversary 1936-1961. New York City: Schaeffer Galleries.

Chicago

Schaeffer, Hanns S. Schaeffer Galleries New York: Twenty-Fifth Anniversary 1936-1961. New York City: Schaeffer Galleries, 1961.