Cite

Afrika 1:200 000 (Algerien) : sheet I 32 NW1 Batna.

MLA

Oberkommando, Germany. Heer. Afrika 1:200 000 (Algerien) : Sheet I 32 NW1 Batna. OKH/Gen St d H, 1943. https://collections.library.yale.edu/catalog/15534070.

APA, 6th edition

Oberkommando, G. H. (1943). Afrika 1:200 000 (Algerien) : sheet I 32 NW1 Batna. [Topographic maps]. OKH/Gen St d H, https://collections.library.yale.edu/catalog/15534070.