APA (7th ed.) Citation

Castlemon, H. (2010). Marcy, the Refugee. Project Gutenberg.

Chicago Style (17th ed.) Citation

Castlemon, Harry. Marcy, the Refugee. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Castlemon, Harry. Marcy, the Refugee. Project Gutenberg, 2010.

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