APA (7th ed.) Citation

Walker, R. (2013). Under Wolfe's Flag. Project Gutenberg.

Chicago Style (17th ed.) Citation

Walker, Rowland. Under Wolfe's Flag. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Walker, Rowland. Under Wolfe's Flag. Project Gutenberg, 2013.

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