APA (7th ed.) Citation

MacKinstry, E., Wiggin, K. D. S., & Smith, N. A. (2012). The Fairy Ring. Project Gutenberg.

Chicago Style (17th ed.) Citation

MacKinstry, Elizabeth, Kate Douglas Smith Wiggin, and Nora Archibald Smith. The Fairy Ring. Project Gutenberg, 2012.

MLA (9th ed.) Citation

MacKinstry, Elizabeth, et al. The Fairy Ring. Project Gutenberg, 2012.

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