A Picture Book : : 200 Objects in The Baltimore Museum of Art.

MLA

Rosenthal, Gertrude. A Picture Book : 200 Objects In The Baltimore Museum of Art. Baltimore: The Baltimore Museum of Art, 1955.

APA

Rosenthal, G. (1955). A Picture Book : 200 Objects in The Baltimore Museum of Art. Baltimore: The Baltimore Museum of Art.

Chicago

Rosenthal, Gertrude A Picture Book: 200 Objects In The Baltimore Museum of Art. Baltimore: The Baltimore Museum of Art, 1955.