Cita APA (7a ed.)

Ahmed, I., Greenwood, R., Costello, B. d. L., Ratcliffe, N. M., & Probert, C. S. (2013). An investigation of fecal volatile organic metabolites in irritable bowel syndrome. Public Library of Science (PLoS).

Cita Chicago Style (17a ed.)

Ahmed, Iftikhar, Rosemary Greenwood, Ben de Lacy Costello, Norman M. Ratcliffe, y Chris S. Probert. An Investigation of Fecal Volatile Organic Metabolites in Irritable Bowel Syndrome. Public Library of Science (PLoS), 2013.

Cita MLA (8a ed.)

Ahmed, Iftikhar, et al. An Investigation of Fecal Volatile Organic Metabolites in Irritable Bowel Syndrome. Public Library of Science (PLoS), 2013.