Cita APA (7a ed.)

Brown, C. L., & Shedd, B. (2008). Discover national monuments, national parks, natural wonders. Nomad Press.

Cita Chicago Style (17a ed.)

Brown, Cynthia L., y Blair Shedd. Discover National Monuments, National Parks, Natural Wonders. White River Junction, Vt.: Nomad Press, 2008.

Cita MLA (8a ed.)

Brown, Cynthia L., y Blair Shedd. Discover National Monuments, National Parks, Natural Wonders. Nomad Press, 2008.

Precaución: Estas citas no son 100% exactas.