Style de citation APA (7e éd.)

Richards, L. E. (1983). Business statistics: Why and when (2nd ed.). McGraw - Hill.

Style de citation Chicago (17e éd.)

Richards, Larry E. Business Statistics: Why and When. 2nd ed. New York: McGraw - Hill, 1983.

Style de citation MLA (9e éd.)

Richards, Larry E. Business Statistics: Why and When. 2nd ed. McGraw - Hill, 1983.