APA Style

.., E, D, M, H, J. (1983). Thinkers Of The 20Th Century. A Biographical, Biblographical . London: Macmillan Publishers.

MLA Style

.., Elizabeth, Devine,, Michael, Held,, James. "Thinkers Of The 20Th Century. A Biographical, Biblographical". London: Macmillan Publishers, 1983. Book.