APA (7th ed.) Zitazioa
Landrum, N. C. (2004). The state park movement in America: A crictical review. University of Missouri Press.
Chicago Style (17th ed.) Zitazioa
Landrum, Ney C. The State Park Movement in America: A Crictical Review. Columbia: University of Missouri Press, 2004.
MLA (9th ed.) Zitazioa
Landrum, Ney C. The State Park Movement in America: A Crictical Review. University of Missouri Press, 2004.
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