Microfilm resources for research :
a comprehensive catalog /
National Archives.
APA Citation
United States. National Archives and Records Administration. (1989). Microfilm resources for research: a comprehensive catalog. Washington, DC: The Archives.
MLA Citation
United States. National Archives and Records Administration. Microfilm Resources for Research: a Comprehensive Catalog. Washington, DC: The Archives, 1989.
Warning: These citations may not always be complete (especially for serials).