APA (7th ed.) Citation

Spengler, J. O., & Siehl, G. H. (1988). Manassas National Battlefield Park: The battle continues. Congressional Research Service, Library of Congress.

Chicago Style (17th ed.) Citation

Spengler, John O., and George H. Siehl. Manassas National Battlefield Park: The Battle Continues. [Washington, D.C.]: Congressional Research Service, Library of Congress, 1988.

MLA (9th ed.) Citation

Spengler, John O., and George H. Siehl. Manassas National Battlefield Park: The Battle Continues. Congressional Research Service, Library of Congress, 1988.