Sykes, P. (1950). A history of exploration from the earliest times to the present day (3rd ed.). Routledge.
Chicago Style (17th ed.) CitationSykes, Percy. A History of Exploration from the Earliest Times to the Present Day. 3rd ed. London: Routledge, 1950.
MLA (8th ed.) CitationSykes, Percy. A History of Exploration from the Earliest Times to the Present Day. 3rd ed. Routledge, 1950.
Warning: These citations may not always be 100% accurate.