APA (7th ed.) Citation

Green, A. K. (2010). Room Number 3, and Other Detective Stories. Project Gutenberg.

Chicago Style (17th ed.) Citation

Green, Anna Katharine. Room Number 3, and Other Detective Stories. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Green, Anna Katharine. Room Number 3, and Other Detective Stories. Project Gutenberg, 2010.

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