APA (7th ed.) Citation

Ellis, E. S. (2005). The Cave in the Mountain A Sequel to In the Pecos Country. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ellis, Edward Sylvester. The Cave in the Mountain A Sequel to In the Pecos Country. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Ellis, Edward Sylvester. The Cave in the Mountain A Sequel to In the Pecos Country. Project Gutenberg, 2005.

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