Cita APA (7a ed.)
Cramer, T. (2010). A Case of Taking QR Codes to the Park. EContent, 33(8), 28-31.
Cita Chicago Style (17a ed.)
Cramer, Theresa. "A Case of Taking QR Codes to the Park." EContent 33, no. 8 (2010): 28-31.
Cita MLA (9a ed.)
Cramer, Theresa. "A Case of Taking QR Codes to the Park." EContent, vol. 33, no. 8, 2010, pp. 28-31.
Precaución: Estas citas no son 100% exactas.