APA (7th ed.) Citation

Center of Military History, Sullivan, G. R., & Gjernes, M. (1991). Portrait of an army. Center of Military History, U.S. Army : For sale by the Supt. of Docs., U.S. G.P.O..

Chicago Style (17th ed.) Citation

Center of Military History, Gordon R. Sullivan, and Marylou Gjernes. Portrait of an Army. Washington, D.C.: Center of Military History, U.S. Army : For sale by the Supt. of Docs., U.S. G.P.O., 1991.

MLA (9th ed.) Citation

Center of Military History, et al. Portrait of an Army. Center of Military History, U.S. Army : For sale by the Supt. of Docs., U.S. G.P.O., 1991.