United States. War Department & ProQuest (Firm). (1807). Fortifications. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. War Department and ProQuest (Firm). Fortifications. Washington: [publisher not identified], 1807.
MLA (9th ed.) CitationUnited States. War Department and ProQuest (Firm). Fortifications. [publisher not identified], 1807.
Warning: These citations may not always be 100% accurate.