Cita APA (7a ed.)
(2018). Sequential refinement. Times Higher Education, 2353, 20.
Cita Chicago Style (17a ed.)
"Sequential Refinement." Times Higher Education 2353 (2018): 20.
Cita MLA (9a ed.)
"Sequential Refinement." Times Higher Education, 2353, 2018, p. 20.
Precaución: Estas citas no son 100% exactas.