Cita APA (7a ed.)
Anderson, M. L., & Mackenzie, G. (2014, March). When an ulcer is not 'just an ulcer': Pyoderma gangrenosum. BMJ Case Reports, 1-4.
Cita Chicago Style (17a ed.)
Anderson, Michelle Louise, y Graeme Mackenzie. "When an Ulcer Is Not 'Just an Ulcer': Pyoderma Gangrenosum." BMJ Case Reports Mar. 2014: 1-4.
Cita MLA (9a ed.)
Anderson, Michelle Louise, y Graeme Mackenzie. "When an Ulcer Is Not 'Just an Ulcer': Pyoderma Gangrenosum." BMJ Case Reports, Mar. 2014, pp. 1-4.
Precaución: Estas citas no son 100% exactas.