APA (7th ed.) Zitazioa

Peterson, F. W. (2008). Homes in the heartland: Balloon frame farmhouses of the upper Midwest. University of Minnesota Press.

Chicago Style (17th ed.) Zitazioa

Peterson, Fred W. Homes in the Heartland: Balloon Frame Farmhouses of the Upper Midwest. Minneapolis: University of Minnesota Press, 2008.

MLA (9th ed.) Zitazioa

Peterson, Fred W. Homes in the Heartland: Balloon Frame Farmhouses of the Upper Midwest. University of Minnesota Press, 2008.