Strong, C. F. (1962). The twentieth century and the contemporary world / [by] C.F. Strong (4th ed.). University of London P.
Chicago Style (17th ed.) CitationStrong, C. F. The Twentieth Century and the Contemporary World / [by] C.F. Strong. 4th ed. University of London P, 1962.
MLA (9th ed.) CitationStrong, C. F. The Twentieth Century and the Contemporary World / [by] C.F. Strong. 4th ed. University of London P, 1962.
Warning: These citations may not always be 100% accurate.