APA-viite (7. p.)

Birch, W. R., & Cooperman, E. T. (2009). The country seats of the United States. University of Pennsylvania Press.

Chicago-viite (17. p.)

Birch, William Russell, ja Emily T. Cooperman. The Country Seats of the United States. Philadelphia: University of Pennsylvania Press, 2009.

MLA-viite (9. p.)

Birch, William Russell, ja Emily T. Cooperman. The Country Seats of the United States. University of Pennsylvania Press, 2009.