Cita APA (7a ed.)
L, B. (2009). Relieve your tired eyes. Life Extension, 15(1), 36-45.
Cita Chicago Style (17a ed.)
L, Barclay. "Relieve Your Tired Eyes." Life Extension 15, no. 1 (2009): 36-45.
Cita MLA (9a ed.)
L, Barclay. "Relieve Your Tired Eyes." Life Extension, vol. 15, no. 1, 2009, pp. 36-45.
Precaución: Estas citas no son 100% exactas.