Ogg, F. A., & Zink, H. (1949). Modern foreign governments. MacMillan.
Chicago Style (17th ed.) CitationOgg, Frederic A., and Harold Zink. Modern Foreign Governments. New York: MacMillan, 1949.
MLA (9th ed.) CitationOgg, Frederic A., and Harold Zink. Modern Foreign Governments. MacMillan, 1949.