APA (7th ed.) Citation

Irving, M., & John, P. s. (2007). 1001 buildings you must see before you die. Cassell Illustrated.

Chicago Style (17th ed.) Citation

Irving, Mark, and Peter st John. 1001 Buildings You Must See Before You Die. London: Cassell Illustrated, 2007.

MLA (8th ed.) Citation

Irving, Mark, and Peter st John. 1001 Buildings You Must See Before You Die. Cassell Illustrated, 2007.