APA (7th ed.) Citation

Porter, E., & Brower, D. (1988). The place no one knew: Glen Canyon on the Colorado (Commemorative ed.). Gibbs M. Smith.

Chicago Style (17th ed.) Citation

Porter, Eliot, and David Brower. The Place No One Knew: Glen Canyon on the Colorado. Commemorative ed. Salt Lake City: Gibbs M. Smith, 1988.

MLA (9th ed.) Citation

Porter, Eliot, and David Brower. The Place No One Knew: Glen Canyon on the Colorado. Commemorative ed. Gibbs M. Smith, 1988.