Cita APA (7a ed.)

Johnson, R. W. (1984). Elementary statistics (4th. ed.). Duxbury Press.

Cita Chicago Style (17a ed.)

Johnson, Robert W. Elementary Statistics. 4th. ed. Boston: Duxbury Press, 1984.

Cita MLA (8a ed.)

Johnson, Robert W. Elementary Statistics. 4th. ed. Duxbury Press, 1984.