APA (7th ed.) Citation

Holland, R. S., & Thomson, W. (2013). Peter Cotterell's Treasure. Project Gutenberg.

Chicago Style (17th ed.) Citation

Holland, Rupert Sargent, and Will Thomson. Peter Cotterell's Treasure. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Holland, Rupert Sargent, and Will Thomson. Peter Cotterell's Treasure. Project Gutenberg, 2013.

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