APA (7th ed.) Citation

Sierra Club Books, Brokaw, T., & Rowell, g. A. (2006). Galen Rowell: A retrospective. Sierra Club Books.

Chicago Style (17th ed.) Citation

Sierra Club Books, Tom Brokaw, and galen A. Rowell. Galen Rowell: A Retrospective. San Francisco: Sierra Club Books, 2006.

MLA (9th ed.) Citation

Sierra Club Books, et al. Galen Rowell: A Retrospective. Sierra Club Books, 2006.