Cita APA (7a ed.)
Grayling, A. C. (2007). What is time? Prospect, 132, 10.
Cita Chicago Style (17a ed.)
Grayling, A. C. "What Is Time?" Prospect 132 (2007): 10.
Cita MLA (9a ed.)
Grayling, A. C. "What Is Time?" Prospect, 132, 2007, p. 10.
Precaución: Estas citas no son 100% exactas.