APA (7th ed.) Citation

Ogden, G. W., & Ivory, P. V. E. (2007). Trail's End. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ogden, George W., and P. V. E. Ivory. Trail's End. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Ogden, George W., and P. V. E. Ivory. Trail's End. Project Gutenberg, 2007.

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