APA (7th ed.) Citation

Berry, D., & Emshwiller, E. (2009). Sound of Terror. Project Gutenberg.

Chicago Style (17th ed.) Citation

Berry, Don, and Ed Emshwiller. Sound of Terror. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Berry, Don, and Ed Emshwiller. Sound of Terror. Project Gutenberg, 2009.

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