APA aipamena

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.

Chicago Style aipamena

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 aipamena

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