APA (7th ed.) Citation

Sweeney, J. A. H., & Du Pont, H. F. (1963). Winterthur illustrated. [publisher not identified].

Chicago Style (17th ed.) Citation

Sweeney, John A. H., and Henry Francis Du Pont. Winterthur Illustrated. [New Castle? Del.]: [publisher not identified], 1963.

MLA (9th ed.) Citation

Sweeney, John A. H., and Henry Francis Du Pont. Winterthur Illustrated. [publisher not identified], 1963.