एपीए उद्धरण

R.Travis William. (2007). New Geographies of the American West. London: Island Press.

शिकागो स्टाइल उद्धरण

R.Travis William. New Geographies of the American West. London: Island Press, 2007.

एमएलए उद्धरण

R.Travis William. New Geographies of the American West. London: Island Press, 2007.