APA (7th ed.) Citation

Collingwood, R. G. (1932). A guide to the Roman wall (2nd ed. (2nd impr.).). A. Reid & Co..

Chicago Style (17th ed.) Citation

Collingwood, R. G. A Guide to the Roman Wall. 2nd ed. (2nd impr.). Newcastle-upon-Tyne: A. Reid & Co., 1932.

MLA (9th ed.) Citation

Collingwood, R. G. A Guide to the Roman Wall. 2nd ed. (2nd impr.). A. Reid & Co., 1932.