APA (7th ed.) Citation

Holmes, P. (2006). Young Peoples' History of the War with Spain. Project Gutenberg.

Chicago Style (17th ed.) Citation

Holmes, Prescott. Young Peoples' History of the War with Spain. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Holmes, Prescott. Young Peoples' History of the War with Spain. Project Gutenberg, 2006.

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