John G. Johnson Collection : : Catalogue of Flemish and Dutch Paintings (in the Philadelphia Museum of Art).

MLA

Valentiner, Wilhelm Reinhold, and Barbara Sweeny. John G. Johnson Collection : Catalogue of Flemish and Dutch Paintings (in the Philadelphia Museum of Art). Philadelphia: John G. Johnson Collection, 1972.

APA

Valentiner, W. Reinhold, & Sweeny, B. (1972). John G. Johnson Collection : Catalogue of Flemish and Dutch Paintings (in the Philadelphia Museum of Art). Philadelphia: John G. Johnson Collection.

Chicago

Valentiner, Wilhelm Reinhold, and Barbara Sweeny. John G. Johnson Collection: Catalogue of Flemish and Dutch Paintings (in the Philadelphia Museum of Art). Philadelphia: John G. Johnson Collection, 1972.