APA (7th ed.) Citation

Clay, J. C., & Herford, O. (2007). Cupid's Almanac and Guide to Hearticulture for This Year and Next. Project Gutenberg.

Chicago Style (17th ed.) Citation

Clay, John Cecil, and Oliver Herford. Cupid's Almanac and Guide to Hearticulture for This Year and Next. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Clay, John Cecil, and Oliver Herford. Cupid's Almanac and Guide to Hearticulture for This Year and Next. Project Gutenberg, 2007.

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