APA (7th ed.) Citation

Marshall, J. (2007). A Short History of Greek Philosophy. Project Gutenberg.

Chicago Style (17th ed.) Citation

Marshall, J. A Short History of Greek Philosophy. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Marshall, J. A Short History of Greek Philosophy. Project Gutenberg, 2007.

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