Cita APA (7a ed.)

Williams, H. L., & Williams, O. K. (1962). A guide to old american houses: 1700-1900. London, Barnes, Yos eloff.

Cita Chicago Style (17a ed.)

Williams, Henry Lionel, y Ottalie K. Williams. A Guide to Old American Houses: 1700-1900. New York: London, Barnes, Yos eloff, 1962.

Cita MLA (9a ed.)

Williams, Henry Lionel, y Ottalie K. Williams. A Guide to Old American Houses: 1700-1900. London, Barnes, Yos eloff, 1962.