APA citiranje

Sturdy, P., Butland, B., Anderson, H., Ayres, J., Bland, J., Harrison, B., . . . on, b. (2005). Deaths certified as asthma and use of medical services: A national case-control study. BMJ Group.

Citação norma Chicago

Sturdy, P., B. Butland, H. Anderson, J. Ayres, J. Bland, B. Harrison, C. Peckitt, C. Victor, and b. on. Deaths Certified As Asthma and Use of Medical Services: A National Case-control Study. BMJ Group, 2005.

MLA citiranje

Sturdy, P., et al. Deaths Certified As Asthma and Use of Medical Services: A National Case-control Study. BMJ Group, 2005.