APA (7th ed.) Citation

Bohn, H. G., Chatto, W. A., & Jackson, J. (2013). A Treatise on Wood Engraving Historical and Practical. Project Gutenberg.

Chicago Style (17th ed.) Citation

Bohn, Henry G., William Andrew Chatto, and John Jackson. A Treatise on Wood Engraving Historical and Practical. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Bohn, Henry G., et al. A Treatise on Wood Engraving Historical and Practical. Project Gutenberg, 2013.

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