The Royal Automobile Club Official motoring map of England & Wales, Monmouth.
MLA
The Royal Automobile Club Official Motoring Map of England & Wales, Monmouth. George Philip & Son Ltd., 0AD. https://collections.library.yale.edu/catalog/15826815.
APA, 6th edition
The Royal Automobile Club Official motoring map of England & Wales, Monmouth. (0 C.E.). [Maps]. George Philip & Son Ltd., https://collections.library.yale.edu/catalog/15826815.