Cita APA (7a ed.)
Schellack, G. (2012). Caffeine: The 'good', the 'bad' and the 'ugly'. Professional Nursing Today, 16(2), 10-14.
Cita Chicago Style (17a ed.)
Schellack, Gustav. "Caffeine: The 'Good', the 'Bad' and the 'Ugly'." Professional Nursing Today 16, no. 2 (2012): 10-14.
Cita MLA (9a ed.)
Schellack, Gustav. "Caffeine: The 'Good', the 'Bad' and the 'Ugly'." Professional Nursing Today, vol. 16, no. 2, 2012, pp. 10-14.
Precaución: Estas citas no son 100% exactas.