APA (7th ed.) Citation

Gregory, O. (2013). Meccania The Super-State. Project Gutenberg.

Chicago Style (17th ed.) Citation

Gregory, Owen. Meccania The Super-State. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Gregory, Owen. Meccania The Super-State. Project Gutenberg, 2013.

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