APA (7th ed.) Citation

Oliver, R. (1991). A guide to the Ordnance Survey One-inch Seventh Series. Charles Close Society..

Chicago Style (17th ed.) Citation

Oliver, Richard. A Guide to the Ordnance Survey One-inch Seventh Series. Sutton: Charles Close Society., 1991.

MLA (9th ed.) Citation

Oliver, Richard. A Guide to the Ordnance Survey One-inch Seventh Series. Charles Close Society., 1991.

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