Cita APA (7a ed.)
Samuelson, D. N. (Nov94). A Softening of the Hard-Sf Concept. Science Fiction Studies, 21(3), 406-413.
Cita Chicago Style (17a ed.)
Samuelson, David N. "A Softening of the Hard-Sf Concept." Science Fiction Studies 21, no. 3 (Nov94): 406-413.
Cita MLA (9a ed.)
Samuelson, David N. "A Softening of the Hard-Sf Concept." Science Fiction Studies, vol. 21, no. 3, Nov94, pp. 406-413.
Precaución: Estas citas no son 100% exactas.