APA (7th ed.) Citation

Ditchfield, P. H., James, H. M., Crickmore, H., Symington, J. A., & Railton, H. (2013). The Cathedrals of Great Britain Their History and Architecture. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ditchfield, P. H., H. M. James, H. Crickmore, J. A. Symington, and Herbert Railton. The Cathedrals of Great Britain Their History and Architecture. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Ditchfield, P. H., et al. The Cathedrals of Great Britain Their History and Architecture. Project Gutenberg, 2013.

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