The Daily Telegraph war map of eastern Europe (no. 5) / by Alexander Gross ; produced by "Geographia" Ltd.
MLA
Geographia Ltd, Gross, Alexander, 1879-1958. The Daily Telegraph war map of eastern Europe (no. 5) / by Alexander Gross ; produced by "Geographia" Ltd.. BRBL_00010W. [1918?]. https://collections.library.yale.edu/catalog/15238194.
APA, 6th edition
Geographia Ltd, & Gross, Alexander, 1879-1958. (["BRBL_00010W"])([1918?])[The Daily Telegraph war map of eastern Europe (no. 5) / by Alexander Gross ; produced by "Geographia" Ltd.]. https://collections.library.yale.edu/catalog/15238194.