APA (7th ed.) Citation

Cook, E., & Humphrey, L. B. (2009). The Old Arm-Chair. Project Gutenberg.

Chicago Style (17th ed.) Citation

Cook, Eliza, and Lizbeth Bullock Humphrey. The Old Arm-Chair. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Cook, Eliza, and Lizbeth Bullock Humphrey. The Old Arm-Chair. Project Gutenberg, 2009.

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