APA (7th ed.) Citation

Thomas, W. S. (2012). Trails and Tramps in Alaska and Newfoundland. Project Gutenberg.

Chicago Style (17th ed.) Citation

Thomas, William S. Trails and Tramps in Alaska and Newfoundland. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Thomas, William S. Trails and Tramps in Alaska and Newfoundland. Project Gutenberg, 2012.

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