APA-viite (7. p.)
Mengak, K. (2012). Reshaping our national parks and their guardians: The legacy of George B. Hartzog Jr. University of New Mexico Press.
Chicago-viite (17. p.)
Mengak, Kathy. Reshaping Our National Parks and Their Guardians: The Legacy of George B. Hartzog Jr. Albuquerque: University of New Mexico Press, 2012.
MLA-viite (9. p.)
Mengak, Kathy. Reshaping Our National Parks and Their Guardians: The Legacy of George B. Hartzog Jr. University of New Mexico Press, 2012.
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