APA (7th ed.) Citation

King, C. (2011). Trumpeter Fred A Story of the Plains. Project Gutenberg.

Chicago Style (17th ed.) Citation

King, Charles. Trumpeter Fred A Story of the Plains. Project Gutenberg, 2011.

MLA (9th ed.) Citation

King, Charles. Trumpeter Fred A Story of the Plains. Project Gutenberg, 2011.

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