Shultz & Pfaltzgraff. (1990). U.S. defence policy in an era of constrained resources. Lexington Books.
Chicago Style (17th ed.) CitationShultz and Pfaltzgraff. U.S. Defence Policy in an Era of Constrained Resources. Lexington: Lexington Books, 1990.
MLA (8th ed.) CitationShultz and Pfaltzgraff. U.S. Defence Policy in an Era of Constrained Resources. Lexington Books, 1990.
Warning: These citations may not always be 100% accurate.