APA (7th ed.) Citation

MacDonald, G. (2006). Cross Purposes and The Shadows. Project Gutenberg.

Chicago Style (17th ed.) Citation

MacDonald, George. Cross Purposes and The Shadows. Project Gutenberg, 2006.

MLA (9th ed.) Citation

MacDonald, George. Cross Purposes and The Shadows. Project Gutenberg, 2006.

Warning: These citations may not always be 100% accurate.