Metcalf, D., Reid-Smith, R. J., Avery, B. P., & Weese, J. S. (2010). Prevalence of Clostridium difficile in retail pork. Canadian Veterinary Medical Association.
Citação norma ChicagoMetcalf, Devon, Richard J. Reid-Smith, Brent P. Avery, and J. Scott Weese. Prevalence of Clostridium Difficile in Retail Pork. Canadian Veterinary Medical Association, 2010.
MLA引文Metcalf, Devon, Richard J. Reid-Smith, Brent P. Avery, and J. Scott Weese. Prevalence of Clostridium Difficile in Retail Pork. Canadian Veterinary Medical Association, 2010.
警告：這些引文格式不一定是100％准確.