Cite

Iceland 1:600,000 Europe (Air), sheet N.W. 63 1/3 24.

MLA

Section, Great Britain. War Office. General Staff. Geographical. Iceland 1:600,000 Europe (Air), Sheet N.W. 63 1/3 24. War Office, 1943. https://collections.library.yale.edu/catalog/15471524.

APA, 6th edition

Section, G. B. W. O. G. S. G. (1943). Iceland 1:600,000 Europe (Air), sheet N.W. 63 1/3 24. [Maps]. War Office, https://collections.library.yale.edu/catalog/15471524.