United States. Army. Air Corps. (1918). Spad XIII, directions for regulation and upkeep of single-seater biplanes S. XIII (Hispano-Suiza 200 hp motor). [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Army. Air Corps. Spad XIII, Directions for Regulation and Upkeep of Single-seater Biplanes S. XIII (Hispano-Suiza 200 Hp Motor). [Place of publication not identified]: [publisher not identified], 1918.
MLA (9th ed.) CitationUnited States. Army. Air Corps. Spad XIII, Directions for Regulation and Upkeep of Single-seater Biplanes S. XIII (Hispano-Suiza 200 Hp Motor). [publisher not identified], 1918.
Warning: These citations may not always be 100% accurate.