APA Citatie

Ryan, G., Knuiman, M. W., Divitini, M. L., James, A., Musk, A. W., & Bartholomew, H. C. (1999). Decline in lung function and mortality: The Busselton Health Study. BMJ Group.

Chicago Style citaat

Ryan, G., M. W. Knuiman, M. L. Divitini, A. James, A. W. Musk, en H. C. Bartholomew. Decline in Lung Function and Mortality: The Busselton Health Study. BMJ Group, 1999.

MLA citatie

Ryan, G., et al. Decline in Lung Function and Mortality: The Busselton Health Study. BMJ Group, 1999.