APA (7th ed.) Citation

Hall, A. (2012). Guide to Yosemite A handbook of the trails and roads of Yosemite valley and the adjacent region. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hall, Ansel. Guide to Yosemite A Handbook of the Trails and Roads of Yosemite Valley and the Adjacent Region. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Hall, Ansel. Guide to Yosemite A Handbook of the Trails and Roads of Yosemite Valley and the Adjacent Region. Project Gutenberg, 2012.

Warning: These citations may not always be 100% accurate.