Cita APA (7a ed.)
Singer, R. N. (Summer77). To Err or Not to Err: A Question for the Instruction of Psychomotor Skills. Review of Educational Research, 47(3), 479-499.
Cita Chicago Style (17a ed.)
Singer, Robert N. "To Err or Not to Err: A Question for the Instruction of Psychomotor Skills." Review of Educational Research 47, no. 3 (Summer77): 479-499.
Cita MLA (9a ed.)
Singer, Robert N. "To Err or Not to Err: A Question for the Instruction of Psychomotor Skills." Review of Educational Research, vol. 47, no. 3, Summer77, pp. 479-499.
Precaución: Estas citas no son 100% exactas.