APA (7th ed.) Citation

Allsopp, B. (1971). Romanesque architecture: The Romanesque achievement. Arthur Barker.

Chicago Style (17th ed.) Citation

Allsopp, Bruce. Romanesque Architecture: The Romanesque Achievement. London: Arthur Barker, 1971.

MLA (9th ed.) Citation

Allsopp, Bruce. Romanesque Architecture: The Romanesque Achievement. Arthur Barker, 1971.

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