APA (7th ed.) Citation

Jacobs, J., & Oldenbourg, Z. (1969). The Horizon book of great cathedrals. Hamilton.

Chicago Style (17th ed.) Citation

Jacobs, Jay, and Zoe Oldenbourg. The Horizon Book of Great Cathedrals. London: Hamilton, 1969.

MLA (9th ed.) Citation

Jacobs, Jay, and Zoe Oldenbourg. The Horizon Book of Great Cathedrals. Hamilton, 1969.

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