Cita APA

(2013). America's 58 national parks. Yosemite. Chicago, Ill: Questar.

Chicago Style Citation

America's 58 National Parks. Yosemite. Chicago, Ill: Questar, 2013.

Cita MLA

America's 58 National Parks. Yosemite. Chicago, Ill: Questar, 2013.

Atenció: Aquestes cites poden no estar 100% correctes.