Cite

Malta and Gozo [cartographic material] / drawn at Ordnance Survey Office, Southampton, 1934 ; revised and reprinted by 512 Fd. Survey Coy., R.E. Feb., 1943.

MLA

Great Britain. Army. Royal Engineers. Fd. Survey Coy., 512. Malta and Gozo [cartographic material] / drawn at Ordnance Survey Office, Southampton, 1934 ; revised and reprinted by 512 Fd. Survey Coy., R.E. Feb., 1943.. BRBL_00270. 1943. https://collections.library.yale.edu/catalog/15502086.

APA, 6th edition

Great Britain. Army. Royal Engineers. Fd. Survey Coy., 512. (["BRBL_00270"])(1943)[Malta and Gozo [cartographic material] / drawn at Ordnance Survey Office, Southampton, 1934 ; revised and reprinted by 512 Fd. Survey Coy., R.E. Feb., 1943.]. https://collections.library.yale.edu/catalog/15502086.