APA引文

Matthews, F. E., Chatfield, M., Freeman, C., McCracken, C., Brayne, C., & CFAS, M. (2004). Attrition and bias in the MRC cognitive function and ageing study: An epidemiological investigation. BioMed Central.

Citação norma Chicago

Matthews, Fiona E., Mark Chatfield, Carol Freeman, Cherie McCracken, Carol Brayne, and MRC CFAS. Attrition and Bias in the MRC Cognitive Function and Ageing Study: An Epidemiological Investigation. BioMed Central, 2004.

MLA引文

Matthews, Fiona E., et al. Attrition and Bias in the MRC Cognitive Function and Ageing Study: An Epidemiological Investigation. BioMed Central, 2004.