Cita APA (7a ed.)
Gage, N. L. (1979). The scientific basis of he art of teaching.
Cita estilo Chicago (17a ed.)
Gage, Nathaniel Lees. The Scientific Basis of He Art of Teaching. 1979.
Cita MLA (9a ed.)
Gage, Nathaniel Lees. The Scientific Basis of He Art of Teaching. 1979.
Precaución: Estas citas no son 100% exactas.