Cita APA (7a ed.)
Birkhead, T. (2010). Different type of problem. Times Higher Education, 1943, 27-28.
Cita Chicago Style (17a ed.)
Birkhead, Tim. "Different Type of Problem." Times Higher Education 1943 (2010): 27-28.
Cita MLA (9a ed.)
Birkhead, Tim. "Different Type of Problem." Times Higher Education, 1943, 2010, pp. 27-28.
Precaución: Estas citas no son 100% exactas.