Stirlingshire.
MLA
Geological Survey of Great Britain, Great Britain. Ordnance Survey. Stirlingshire. Ordnance Survey Office, 1864. https://collections.library.yale.edu/catalog/15350048.
APA, 6th edition
Geological Survey of Great Britain, G. B. O. S. (1864). Stirlingshire. [Maps]. Ordnance Survey Office, https://collections.library.yale.edu/catalog/15350048.