Cita APA (7a ed.)
W, R., & AH, E. (2000 Jan-Feb). Reader's mail. Eyestrain from computer use causes headache. NHF Head Lines, 112, 10-11.
Cita Chicago Style (17a ed.)
W, Rotrosen, y Elkind AH. "Reader's Mail. Eyestrain from Computer Use Causes Headache." NHF Head Lines 112 (2000 Jan-Feb): 10-11.
Cita MLA (9a ed.)
W, Rotrosen, y Elkind AH. "Reader's Mail. Eyestrain from Computer Use Causes Headache." NHF Head Lines, 112, 2000 Jan-Feb, pp. 10-11.
Precaución: Estas citas no son 100% exactas.