APA (7th ed.) Citation

Williams Symposium on Classical Architecture. (1999). Appearance and essence: Refinements of classical architecture: curvature. University Museum, University of Pennsylvania.

Chicago Style (17th ed.) Citation

Williams Symposium on Classical Architecture. Appearance and Essence: Refinements of Classical Architecture: Curvature. Philadelphia: University Museum, University of Pennsylvania, 1999.

MLA (9th ed.) Citation

Williams Symposium on Classical Architecture. Appearance and Essence: Refinements of Classical Architecture: Curvature. University Museum, University of Pennsylvania, 1999.