Cite

Betts's New Railway and Commercial map of England and Wales ...

MLA

Betts's New Railway and Commercial Map of England and Wales ... John Betts, 1846. https://collections.library.yale.edu/catalog/15259780.

APA, 6th edition

Betts's New Railway and Commercial map of England and Wales ... (1846). [Maps]. John Betts, https://collections.library.yale.edu/catalog/15259780.