APA (7th ed.) Citation

Smith, W. A., & Markwick, W. F. (2004). The True Citizen: How to Become One. Project Gutenberg.

Chicago Style (17th ed.) Citation

Smith, William Alexander, and William Fisher Markwick. The True Citizen: How to Become One. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Smith, William Alexander, and William Fisher Markwick. The True Citizen: How to Become One. Project Gutenberg, 2004.

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