APA (7th ed.) Citation

Tyler, A. C., Petersham, M., & Petersham, M. F. (2010). Twenty-Four Unusual Stories for Boys and Girls. Project Gutenberg.

Chicago Style (17th ed.) Citation

Tyler, Anna Cogswell, Miska Petersham, and Maud Fuller Petersham. Twenty-Four Unusual Stories for Boys and Girls. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Tyler, Anna Cogswell, et al. Twenty-Four Unusual Stories for Boys and Girls. Project Gutenberg, 2010.

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