APA (7th ed.) Citation

King, H. F. (1981). Sopwith aircraft, 1912-1920. Putnam.

Chicago Style (17th ed.) Citation

King, H. F. Sopwith Aircraft, 1912-1920. London: Putnam, 1981.

MLA (9th ed.) Citation

King, H. F. Sopwith Aircraft, 1912-1920. Putnam, 1981.

Warning: These citations may not always be 100% accurate.