Cita APA (7a ed.)
Harnack, R. S. (1965). COMPUTER BASED RESOURCE UNITS. Educational Leadership, 23(3), 239-244.
Cita Chicago Style (17a ed.)
Harnack, Robert S. "COMPUTER BASED RESOURCE UNITS." Educational Leadership 23, no. 3 (1965): 239-244.
Cita MLA (9a ed.)
Harnack, Robert S. "COMPUTER BASED RESOURCE UNITS." Educational Leadership, vol. 23, no. 3, 1965, pp. 239-244.
Precaución: Estas citas no son 100% exactas.