Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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