Cita APA (7a ed.)
Ebel, R. L. (1969). What Happened to the Duplicating Machine? Education Digest, 34(7), 52-54.
Cita Chicago Style (17a ed.)
Ebel, Robert L. "What Happened to the Duplicating Machine?" Education Digest 34, no. 7 (1969): 52-54.
Cita MLA (9a ed.)
Ebel, Robert L. "What Happened to the Duplicating Machine?" Education Digest, vol. 34, no. 7, 1969, pp. 52-54.
Precaución: Estas citas no son 100% exactas.