APA (7th ed.) Citation

Project Gutenberg & Butler, S. (2005). The Atlas of Ancient and Classical Geography. Project Gutenberg Literary Archive Foundation.

Chicago Style (17th ed.) Citation

Project Gutenberg and Samuel Butler. The Atlas of Ancient and Classical Geography. Salt Lake City: Project Gutenberg Literary Archive Foundation, 2005.

MLA (9th ed.) Citation

Project Gutenberg and Samuel Butler. The Atlas of Ancient and Classical Geography. Project Gutenberg Literary Archive Foundation, 2005.

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