Cita APA (7a ed.)
Howard, E. (1989). Shades of gray. Painted Bride Quarterly, 37, 49-52.
Cita Chicago Style (17a ed.)
Howard, Eugene. "Shades of Gray." Painted Bride Quarterly 37 (1989): 49-52.
Cita MLA (9a ed.)
Howard, Eugene. "Shades of Gray." Painted Bride Quarterly, 37, 1989, pp. 49-52.
Precaución: Estas citas no son 100% exactas.