Franklin

MLA

Geiger, Adam, et al. Canyonlands. [Washington, D.C.?]: National Geographic , 2010.

APA

Geiger, A., Armstrong, B., Biondo, C., Williams, L., & Tifford, M. (2010). Canyonlands. [Washington, D.C.?]: National Geographic .

Chicago

Geiger, Adam., Brian Armstrong, Chris Biondo, Lenny Williams, and Matthew Tifford. Canyonlands. [Washington, D.C.?]: National Geographic, 2010.