APA (7th ed.) Citation

Eastlake, S. C. L., Châteauneuf, A. d., & Fox, M. (2013). The Country House With Designs. Project Gutenberg.

Chicago Style (17th ed.) Citation

Eastlake, Sir Charles Lock, Alexis de Châteauneuf, and Mary Fox. The Country House With Designs. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Eastlake, Sir Charles Lock, et al. The Country House With Designs. Project Gutenberg, 2013.

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