APA引文

Sinclair, U. (2010). The jungle. Project Gutenberg.

Chicago Style (17th ed.) Citation

Sinclair, Upton. The Jungle. To be supplied: Project Gutenberg, 2010.

MLA引文

Sinclair, Upton. The Jungle. Project Gutenberg, 2010.

警告：這些引文格式不一定是100％准確.