APA (7th ed.) Citation

Seltzer, C. A. (2008). The Trail to Yesterday. Project Gutenberg.

Chicago Style (17th ed.) Citation

Seltzer, Charles Alden. The Trail to Yesterday. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Seltzer, Charles Alden. The Trail to Yesterday. Project Gutenberg, 2008.

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