Map of the Territory of New Mexico / compiled by Jno. G. Parke ; assisted by Mr. Richard H. Kern ; by order of Jno. Munroe ; constructed under general orders from J.J. Abert.
MLA
Parke, John G. Map of the Territory of New Mexico / Compiled by Jno. G. Parke ; Assisted by Mr. Richard H. Kern ; by Order of Jno. Munroe ; Constructed under General Orders from J.J. Abert. [Corps of Topographical Engineers], 1851. https://collections.library.yale.edu/catalog/15818546.
APA, 6th edition
Parke, J. G. (1851). Map of the Territory of New Mexico / compiled by Jno. G. Parke ; assisted by Mr. Richard H. Kern ; by order of Jno. Munroe ; constructed under general orders from J.J. Abert. [Maps]. [Corps of Topographical Engineers]. https://collections.library.yale.edu/catalog/15818546.