APA (7th ed.) Citation

Winkelman, B. F. (1942). John G. Johnson: Lawyer and art collector, 1841-1917. University of Pennsylvania Press.

Chicago Style (17th ed.) Citation

Winkelman, Barnie F. John G. Johnson: Lawyer and Art Collector, 1841-1917. Philadelphia: University of Pennsylvania Press, 1942.

MLA (9th ed.) Citation

Winkelman, Barnie F. John G. Johnson: Lawyer and Art Collector, 1841-1917. University of Pennsylvania Press, 1942.