APA Style

O'Connell, R, T. et al (1997). Business Statistics in Practice Sixth Edition : This INternational Student Edition is for use outside of the U.S. (6th ed). New York: McGraw-Hill Irwin.

MLA Style

O'Connell, Richard, T.. et al. "Business Statistics in Practice Sixth Edition : This INternational Student Edition is for use outside of the U.S.". 6th ed New York: McGraw-Hill Irwin, 1997. Text.