MLA

Eaton, Daniel Isaac Vernon. Map of Labrador Peninsula / Compiled by D.I.V. Eaton ; Drawn for Photo-Lithography by C.O. Senécal. Geological Survey of Canada, 1896. https://collections.library.yale.edu/catalog/15535390.

APA, 6th edition

Eaton, D. I. V. (1896). Map of Labrador Peninsula / compiled by D.I.V. Eaton ; drawn for photo-lithography by C.O. Senécal. [Maps]. Geological Survey of Canada, https://collections.library.yale.edu/catalog/15535390.