APA Citation

Harper, W. M. (1991). Statistics (6th ed.). London: Pitman Pub..

Chicago Style Citation

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

MLA Citation

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

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