MLA

Johnson, J. Hugh (John Hugh). Algeria [cartographic material] = l'Algérie / drawn by J. Hugh Johnson ; engraved at Stanford's Geographical Establishment.. [1872?]. https://collections.library.yale.edu/catalog/16729350.

APA, 6th edition

Johnson, J. Hugh (John Hugh). ([1872?])[Algeria [cartographic material] = l'Algérie / drawn by J. Hugh Johnson ; engraved at Stanford's Geographical Establishment.]. https://collections.library.yale.edu/catalog/16729350.