Cita APA (7a ed.)

Shive, I. (2015). The National parks: An American legacy : celebrating 100 years of the National Park Services. Earth Aware Editions.

Cita Chicago Style (17a ed.)

Shive, Ian. The National Parks: An American Legacy : Celebrating 100 Years of the National Park Services. San Rafael, CA: Earth Aware Editions, 2015.

Cita MLA (9a ed.)

Shive, Ian. The National Parks: An American Legacy : Celebrating 100 Years of the National Park Services. Earth Aware Editions, 2015.