APA (7th ed.) Citation

Sawicki, J. A. (1983). Tank battalions of the US Army. Wyvern Publications.

Chicago Style (17th ed.) Citation

Sawicki, James A. Tank Battalions of the US Army. Dumfries, Va.: Wyvern Publications, 1983.

MLA (9th ed.) Citation

Sawicki, James A. Tank Battalions of the US Army. Wyvern Publications, 1983.