APA (7th ed.) Citation

Chatrian, A., & Erckmann, E. (2011). The Blockade of Phalsburg An Episode of the End of the Empire. Project Gutenberg.

Chicago Style (17th ed.) Citation

Chatrian, Alexandre, and Émile Erckmann. The Blockade of Phalsburg An Episode of the End of the Empire. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Chatrian, Alexandre, and Émile Erckmann. The Blockade of Phalsburg An Episode of the End of the Empire. Project Gutenberg, 2011.

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