APA (7th ed.) Citation

Walton, W. (2009). Paris from the Earliest Period to the Present Day; Volume 1. Project Gutenberg.

Chicago Style (17th ed.) Citation

Walton, William. Paris from the Earliest Period to the Present Day; Volume 1. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Walton, William. Paris from the Earliest Period to the Present Day; Volume 1. Project Gutenberg, 2009.

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