APA (7th ed.) Citation

Ostertag, B., Mabie, H. W., & Stephens, K. (2011). Heroines That Every Child Should Know Tales for Young People of the World's Heroines of All Ages. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ostertag, Blanche, Hamilton Wright Mabie, and Kate Stephens. Heroines That Every Child Should Know Tales for Young People of the World's Heroines of All Ages. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Ostertag, Blanche, et al. Heroines That Every Child Should Know Tales for Young People of the World's Heroines of All Ages. Project Gutenberg, 2011.

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