Shannon, D. A. (1969). Twentieth century America / by D.A. Shannon (2nd ed.). Rand McNally.
Chicago Style (17th ed.) CitationShannon, D. A. Twentieth Century America / by D.A. Shannon. 2nd ed. Rand McNally, 1969.
MLA (9th ed.) CitationShannon, D. A. Twentieth Century America / by D.A. Shannon. 2nd ed. Rand McNally, 1969.
Warning: These citations may not always be 100% accurate.