Cita APA (7a ed.)
Marks, J. (Nov/Dec2009). Time Travel Made Easy. Philosophy Now, 76, 33-34.
Cita Chicago Style (17a ed.)
Marks, Joel. "Time Travel Made Easy." Philosophy Now 76 (Nov/Dec2009): 33-34.
Cita MLA (9a ed.)
Marks, Joel. "Time Travel Made Easy." Philosophy Now, 76, Nov/Dec2009, pp. 33-34.
Precaución: Estas citas no son 100% exactas.