Cita APA (7a ed.)
Johnson, R. (1988). Elementary statistics (5th ed.). PWS-Kent.
Cita Chicago Style (17a ed.)
Johnson, Robert. Elementary Statistics. 5th ed. Boston: PWS-Kent, 1988.
Cita MLA (9a ed.)
Johnson, Robert. Elementary Statistics. 5th ed. PWS-Kent, 1988.
Precaución: Estas citas no son 100% exactas.