Cite

Stanford's half-inch map of the battle front, Ostend, Zeebrugge, Bruges / Edward Stanford Ltd.

MLA

Ltd, Edward Stanford. Stanford's Half-Inch Map of the Battle Front, Ostend, Zeebrugge, Bruges / Edward Stanford Ltd. Edward Stanford, 1917. https://collections.library.yale.edu/catalog/15237953.

APA, 6th edition

Ltd, E. S. (1917). Stanford's half-inch map of the battle front, Ostend, Zeebrugge, Bruges / Edward Stanford Ltd. [Maps]. Edward Stanford, https://collections.library.yale.edu/catalog/15237953.