APA (7th ed.) Citation

Petrovic, W. D. (2004). Scorched Earth: A Future History of Planet Earth. Project Gutenberg.

Chicago Style (17th ed.) Citation

Petrovic, Walter D. Scorched Earth: A Future History of Planet Earth. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Petrovic, Walter D. Scorched Earth: A Future History of Planet Earth. Project Gutenberg, 2004.

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