MLA

Waddell, J. H. Map of the United States / Constructed on the Rectangular Tangential Projection by J.H. Waddell ... ; Prepared under the Instructions M.F. Maury ... Office of Physical Survey of Virginia? Virginia Military Institute, 1868. https://collections.library.yale.edu/catalog/15536521.

APA, 6th edition

Waddell, J. H. (1868). Map of the United States / constructed on the rectangular tangential projection by J.H. Waddell ... ; prepared under the instructions M.F. Maury ... [Maps]. Office of Physical Survey of Virginia? Virginia Military Institute, https://collections.library.yale.edu/catalog/15536521.