APA (7th ed.) Citation

Armstrong, H. S. (2006). Trifles for the Christmas Holidays. Project Gutenberg.

Chicago Style (17th ed.) Citation

Armstrong, H. S. Trifles for the Christmas Holidays. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Armstrong, H. S. Trifles for the Christmas Holidays. Project Gutenberg, 2006.

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