APA引文

Portsmouth Polytechnic. Cartographic Unit. (1987). World mapping today. Butterworths.

Chicago Style (17th ed.) Citation

Portsmouth Polytechnic. Cartographic Unit. World Mapping Today. London: Butterworths, 1987.

MLA引文

Portsmouth Polytechnic. Cartographic Unit. World Mapping Today. Butterworths, 1987.

警告：這些引文格式不一定是100％准確.