APA (7th ed.) Citation

Smith, J. W., & Wells, C. (2014). The Seven Ages of Childhood. Project Gutenberg.

Chicago Style (17th ed.) Citation

Smith, Jessie Willcox, and Carolyn Wells. The Seven Ages of Childhood. Project Gutenberg, 2014.

MLA (9th ed.) Citation

Smith, Jessie Willcox, and Carolyn Wells. The Seven Ages of Childhood. Project Gutenberg, 2014.

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