APA引文

Nielsen, A. M. (1950). Economic and industrial geography. Pitman.

Chicago Style (17th ed.) Citation

Nielsen, Alfred Marius. Economic and Industrial Geography. New York: Pitman, 1950.

MLA引文

Nielsen, Alfred Marius. Economic and Industrial Geography. Pitman, 1950.

警告：這些引文格式不一定是100％准確.