APA (7th ed.) Citation

Shackleton, R. (2011). The Story of Fifty-Seven Cents and Others. Project Gutenberg.

Chicago Style (17th ed.) Citation

Shackleton, Robert. The Story of Fifty-Seven Cents and Others. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Shackleton, Robert. The Story of Fifty-Seven Cents and Others. Project Gutenberg, 2011.

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