APA (7th ed.) Citation

Alexander, J. W., & Gibson, L. J. (1979). Economic geography (2. ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Alexander, John W., and Lay James Gibson. Economic Geography. 2. ed. Englewood Cliffs, N.J: Prentice-Hall, 1979.

MLA (9th ed.) Citation

Alexander, John W., and Lay James Gibson. Economic Geography. 2. ed. Prentice-Hall, 1979.