APA (7th ed.) Citation

Mackenzie, S. G., Boyle, R., Ingelo, N., & Davies, C. M. (2013). Prefaces to Four Seventeenth-Century Romances. Project Gutenberg.

Chicago Style (17th ed.) Citation

Mackenzie, Sir George, Roger Boyle, Nathaniel Ingelo, and Charles Maurice Davies. Prefaces to Four Seventeenth-Century Romances. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Mackenzie, Sir George, et al. Prefaces to Four Seventeenth-Century Romances. Project Gutenberg, 2013.

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