APA (7th ed.) Citation

Harper, W. M. (1991). Statistics / W.M. Harper (6th ed.). Pitman.

Chicago Style (17th ed.) Citation

Harper, W. M. Statistics / W.M. Harper. 6th ed. London: Pitman, 1991.

MLA (9th ed.) Citation

Harper, W. M. Statistics / W.M. Harper. 6th ed. Pitman, 1991.

Warning: These citations may not always be 100% accurate.