APA (7th ed.) Citation

Parker, G. (2004). The March of the White Guard. Project Gutenberg.

Chicago Style (17th ed.) Citation

Parker, Gilbert. The March of the White Guard. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Parker, Gilbert. The March of the White Guard. Project Gutenberg, 2004.

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