Derfler, L. (1973). Socialism since Marx : a century of the European Left / (by) Leslie Derfler: A century of the European Left. Macmillan.
Chicago Style (17th ed.) CitationDerfler, Leslie. Socialism Since Marx : A Century of the European Left / (by) Leslie Derfler: A Century of the European Left. London: Macmillan, 1973.
MLA (9th ed.) CitationDerfler, Leslie. Socialism Since Marx : A Century of the European Left / (by) Leslie Derfler: A Century of the European Left. Macmillan, 1973.
Warning: These citations may not always be 100% accurate.