APA (7th ed.) Citation

Marshall, E. (2011). The Strength of the Pines. Project Gutenberg.

Chicago Style (17th ed.) Citation

Marshall, Edison. The Strength of the Pines. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Marshall, Edison. The Strength of the Pines. Project Gutenberg, 2011.

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