APA (7th ed.) Citation

Curtis, J. C. (2013). Outlines of English History From B.C. 55 to A.D. 1895. Project Gutenberg.

Chicago Style (17th ed.) Citation

Curtis, John Charles. Outlines of English History From B.C. 55 to A.D. 1895. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Curtis, John Charles. Outlines of English History From B.C. 55 to A.D. 1895. Project Gutenberg, 2013.

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