APA (7th ed.) Citation

Conant, K. J., & Pevsner, N. (1959). Carolingian and Romanesque architecture: 800 to 1200 (1st publ.). Penguin Books.

Chicago Style (17th ed.) Citation

Conant, Kenneth John, and Nikolaus Pevsner. Carolingian and Romanesque Architecture: 800 to 1200. 1st publ. Harmondsworth [u.a.]: Penguin Books, 1959.

MLA (9th ed.) Citation

Conant, Kenneth John, and Nikolaus Pevsner. Carolingian and Romanesque Architecture: 800 to 1200. 1st publ. Penguin Books, 1959.