APA (7th ed.) Citation

Brooks, S. W. (2012). My Fire Opal, and Other Tales. Project Gutenberg.

Chicago Style (17th ed.) Citation

Brooks, Sarah Warner. My Fire Opal, and Other Tales. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Brooks, Sarah Warner. My Fire Opal, and Other Tales. Project Gutenberg, 2012.

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