Cita APA (7th ed.)

Johnson, R. (1996). Elementary statistics (7th ed.). Duxbury.

Cita Chicago (17th ed.)

Johnson, Robert. Elementary Statistics. 7th ed. Belmont: Duxbury, 1996.

Cita MLA (9th ed.)

Johnson, Robert. Elementary Statistics. 7th ed. Duxbury, 1996.