APA (7th ed.) Zitazioa

Madson, J. (2004). Where the sky began: Land of the tallgrass prairie (Bur oak books ed.). University of Iowa Press.

Chicago Style (17th ed.) Zitazioa

Madson, John. Where the Sky Began: Land of the Tallgrass Prairie. Bur oak books ed. Iowa: University of Iowa Press, 2004.

MLA (9th ed.) Zitazioa

Madson, John. Where the Sky Began: Land of the Tallgrass Prairie. Bur oak books ed. University of Iowa Press, 2004.