APA (7th ed.) Citation

Jacobs, W. W., & Davis, S. (2004). Night Watches Complete Series. Project Gutenberg.

Chicago Style (17th ed.) Citation

Jacobs, W. W., and Stanley Davis. Night Watches Complete Series. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Jacobs, W. W., and Stanley Davis. Night Watches Complete Series. Project Gutenberg, 2004.

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