APA引文

Butler, S. (2010). Erewhon. Project Gutenberg.

Chicago Style (17th ed.) Citation

Butler, Samuel. Erewhon. To be supplied: Project Gutenberg, 2010.

MLA引文

Butler, Samuel. Erewhon. Project Gutenberg, 2010.

警告：這些引文格式不一定是100％准確.