APA (7th ed.) Citation

Phillips, E. C. (2012). Black-Eyed Susan. Project Gutenberg.

Chicago Style (17th ed.) Citation

Phillips, Ethel Calvert. Black-Eyed Susan. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Phillips, Ethel Calvert. Black-Eyed Susan. Project Gutenberg, 2012.

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