APA (7th ed.) Citation

Johnston, R. J., & Semple, R. K. (1983). Classification using information statistics. Geo Books.

Chicago Style (17th ed.) Citation

Johnston, R. J., and R. K. Semple. Classification Using Information Statistics. Norwich: Geo Books, 1983.

MLA (9th ed.) Citation

Johnston, R. J., and R. K. Semple. Classification Using Information Statistics. Geo Books, 1983.