Dänemark 1:25 000, No Laesö.
MLA
Dänemark 1:25 000, No Laesö. Mil. Geo., 1940. https://collections.library.yale.edu/catalog/15471467.
APA, 6th edition
Dänemark 1:25 000, No Laesö. (1940). [Maps]. Mil. Geo., https://collections.library.yale.edu/catalog/15471467.