APA (7th ed.) Citation

Dumas, A., & Garnett, R. S. (2011). The Prussian Terror. Project Gutenberg.

Chicago Style (17th ed.) Citation

Dumas, Alexandre, and R. S. Garnett. The Prussian Terror. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Dumas, Alexandre, and R. S. Garnett. The Prussian Terror. Project Gutenberg, 2011.

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