Plan of the Operations in Spain between the 10th and 16th of March 1837.
MLA
Plan of the Operations in Spain between the 10th and 16th of March 1837. 1837. https://collections.library.yale.edu/catalog/15826662.
APA, 6th edition
Plan of the Operations in Spain between the 10th and 16th of March 1837. (1837). [Manuscript maps]. https://collections.library.yale.edu/catalog/15826662.