APA način citiranja

Negrón, M. E., Barkema, H. W., Rioux, K., De Buck, J., Checkley, S., Proulx, M., . . . Kaplan, G. G. (2014). Clostridium difficile infection worsens the prognosis of ulcerative colitis. Pulsus Group Inc.

Čikaški stil citiranja

Negrón, María E., et al. Clostridium Difficile Infection Worsens the Prognosis of Ulcerative Colitis. Pulsus Group Inc, 2014.

MLA način citiranja

Negrón, María E., et al. Clostridium Difficile Infection Worsens the Prognosis of Ulcerative Colitis. Pulsus Group Inc, 2014.