Map of the Roman Empire / J Yeager Sc.
MLA
Map of the Roman Empire / J Yeager Sc. Carey & Lea?, 1832. https://collections.library.yale.edu/catalog/15259690.
APA, 6th edition
Map of the Roman Empire / J Yeager Sc. (1832). [Maps]. Carey & Lea? https://collections.library.yale.edu/catalog/15259690.