APA引文

Rinehart, M. R. (2010). The circular staircase. Project Gutenberg.

Chicago Style (17th ed.) Citation

Rinehart, Mary Roberts. The Circular Staircase. To be supplied: Project Gutenberg, 2010.

MLA引文

Rinehart, Mary Roberts. The Circular Staircase. Project Gutenberg, 2010.

警告：這些引文格式不一定是100％准確.