APA (7th ed.) Citation

King, C., Deming, E. W., & Remington, F. (2006). An Apache Princess: A Tale of the Indian Frontier. Project Gutenberg.

Chicago Style (17th ed.) Citation

King, Charles, Edwin Willard Deming, and Frederic Remington. An Apache Princess: A Tale of the Indian Frontier. Project Gutenberg, 2006.

MLA (9th ed.) Citation

King, Charles, et al. An Apache Princess: A Tale of the Indian Frontier. Project Gutenberg, 2006.

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