APA Citation

HARPER. (1991). Statistics (6th ed.). London: Pitmin/M & E.

Chicago Style Citation

HARPER. Statistics. 6th ed. London: Pitmin/M & E, 1991.

MLA Citation

HARPER. Statistics. 6th ed. London: Pitmin/M & E, 1991.

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