APA引文

Holmes, T. (2010). London's underworld. Project Gutenberg.

Chicago Style (17th ed.) Citation

Holmes, Thomas. London's Underworld. To be supplied: Project Gutenberg, 2010.

MLA引文

Holmes, Thomas. London's Underworld. Project Gutenberg, 2010.

警告：這些引文格式不一定是100％准確.