APA (7th ed.) Citation

Henry, O., Preston, M. W., & Greening, H. C. (1999). The Gentle Grafter. Project Gutenberg.

Chicago Style (17th ed.) Citation

Henry, O., May Wilson Preston, and Harry Cornell Greening. The Gentle Grafter. Project Gutenberg, 1999.

MLA (9th ed.) Citation

Henry, O., et al. The Gentle Grafter. Project Gutenberg, 1999.

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