APA (7th ed.) Citation

Hart, H. (2012). Mary Lee the Red Cross Girl. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hart, Helen. Mary Lee the Red Cross Girl. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Hart, Helen. Mary Lee the Red Cross Girl. Project Gutenberg, 2012.

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