The Henry Clay Frick houses :
architecture, interiors, landscapes in the golden era /
Martha Frick Symington Sanger ; foreword by Wendell Garrett.

APA Citation

Sanger, M. Frick Symington., Garrett, W. D. (2001). The Henry Clay Frick houses: architecture, interiors, landscapes in the golden era. New York: Monacelli Press.

MLA Citation

Sanger, Martha Frick Symington, and Wendell D Garrett. The Henry Clay Frick Houses: Architecture, Interiors, Landscapes In the Golden Era. New York: Monacelli Press, 2001.

Warning: These citations may not always be complete (especially for serials).