A checklist of plants in the Washington-Baltimore area...
APA Citation
Hermann, F. J. (Frederick Joseph). (1941). A checklist of plants in the Washington-Baltimore area... 2d ed. Washington: Conference on District Flora, Smithsonian Institution.
MLA Citation
Hermann, Frederick J. (Frederick Joseph), 1906-. A Checklist of Plants In the Washington-Baltimore Area... 2d ed. Washington: Conference on District Flora, Smithsonian Institution, 1941.
Warning: These citations may not always be complete (especially for serials).