APA引文

Buchan, J. (2010). The thirty-nine steps. Project Gutenberg.

Chicago Style (17th ed.) Citation

Buchan, John. The Thirty-nine Steps. To be supplied: Project Gutenberg, 2010.

MLA引文

Buchan, John. The Thirty-nine Steps. Project Gutenberg, 2010.

警告：這些引文格式不一定是100％准確.