APA (7th ed.) Citation

Williams, C. (1945). Route of the 4th Armored. [publisher not identified].

Chicago Style (17th ed.) Citation

Williams, Christopher. Route of the 4th Armored. [Place of publication not identified]: [publisher not identified], 1945.

MLA (9th ed.) Citation

Williams, Christopher. Route of the 4th Armored. [publisher not identified], 1945.