APA (7th ed.) Citation

Pyle, H. (2010). The adventures of robin hood. Project Gutenberg.

Chicago Style (17th ed.) Citation

Pyle, Howard. The Adventures of Robin Hood. To be supplied: Project Gutenberg, 2010.

MLA (8th ed.) Citation

Pyle, Howard. The Adventures of Robin Hood. Project Gutenberg, 2010.

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