APA (7th ed.) Citation

Balzac, H. d., & Marriage, E. (2004). The Duchesse of Langeais. Project Gutenberg.

Chicago Style (17th ed.) Citation

Balzac, Honoré de, and Ellen Marriage. The Duchesse of Langeais. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Balzac, Honoré de, and Ellen Marriage. The Duchesse of Langeais. Project Gutenberg, 2004.

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