APA引文

Grey, Z. (2010). Riders of the purple sage. Project Gutenberg.

Chicago Style (17th ed.) Citation

Grey, Zane. Riders of the Purple Sage. To be supplied: Project Gutenberg, 2010.

MLA引文

Grey, Zane. Riders of the Purple Sage. Project Gutenberg, 2010.

警告：這些引文格式不一定是100％准確.