APA (7th ed.) Citation

Holtzapffel, J. J., & Leland, C. G. (2013). A Manual of Wood Carving. Project Gutenberg.

Chicago Style (17th ed.) Citation

Holtzapffel, John J., and Charles Godfrey Leland. A Manual of Wood Carving. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Holtzapffel, John J., and Charles Godfrey Leland. A Manual of Wood Carving. Project Gutenberg, 2013.

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