APA (7th ed.) Citation

Ray, A. C., & Edwards, H. C. (2009). The Dominant Strain. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ray, Anna Chapin, and H. C. Edwards. The Dominant Strain. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Ray, Anna Chapin, and H. C. Edwards. The Dominant Strain. Project Gutenberg, 2009.

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