APA (7th ed.) Citation

Zagat, A. L. (2009). The Great Dome on Mercury. Project Gutenberg.

Chicago Style (17th ed.) Citation

Zagat, Arthur Leo. The Great Dome on Mercury. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Zagat, Arthur Leo. The Great Dome on Mercury. Project Gutenberg, 2009.

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