Cita APA (7th ed.)
Madson, J. (2004). Where the sky began: Land of the tallgrass prairie (Bur oak books ed.). University of Iowa Press.
Cita Chicago (17th ed.)
Madson, John. Where the Sky Began: Land of the Tallgrass Prairie. Bur oak books ed. Iowa: University of Iowa Press, 2004.
Cita MLA (9th ed.)
Madson, John. Where the Sky Began: Land of the Tallgrass Prairie. Bur oak books ed. University of Iowa Press, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.