APA (7th ed.) Citation

Zamacois, E., & England, G. A. (2010). Their Son; The Necklace. Project Gutenberg.

Chicago Style (17th ed.) Citation

Zamacois, Eduardo, and George Allan England. Their Son; The Necklace. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Zamacois, Eduardo, and George Allan England. Their Son; The Necklace. Project Gutenberg, 2010.

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