APA (7e ed.) Bronvermelding

Williams, H. L., & Williams, O. K. (1966). Great houses of America. Putnam.

Chicago (17e ed.) Bronvermelding

Williams, Henry Lionel, en Ottalie K. Williams. Great Houses of America. New York: Putnam, 1966.

MLA (8e ed.) Bronvermelding

Williams, Henry Lionel, en Ottalie K. Williams. Great Houses of America. Putnam, 1966.