Duffy, G. G., Fillmer , H. T., Connely, J. E., Adams, E., George, P. S., McElwee, M. R., . . . Catterson, J. H. (1974). Reading in the middle school. IRA.
Cita Chicago Style (17a ed.)Duffy, Gerald G., et al. Reading in the Middle School. Newark: IRA, 1974.
Cita MLA (9a ed.)Duffy, Gerald G., et al. Reading in the Middle School. IRA, 1974.
Precaución: Estas citas no son 100% exactas.