Crowther, J. G. (1966). Discoveries and inventions of the 20th century. London: Routledge & K. Paul.
Chicago Style CitationCrowther, J. G. Discoveries and Inventions of the 20th Century. London: Routledge & K. Paul, 1966.
MLA CitationCrowther, J. G. Discoveries and Inventions of the 20th Century. London: Routledge & K. Paul, 1966.
Warning: These citations may not always be 100% accurate.