Cita APA

Irvine, L., Crombie, I. K., Clark, R. A., Slane, P. W., Goodman, K. E., Feyerabend, C., & Cater, J. I. (1997). What determines levels of passive smoking in children with asthma? BMJ Group.

Chicago Style Citation

Irvine, L., I. K. Crombie, R. A. Clark, P. W. Slane, K. E. Goodman, C. Feyerabend, i J. I. Cater. What Determines Levels of Passive Smoking in Children With Asthma? BMJ Group, 1997.

Cita MLA

Irvine, L., et al. What Determines Levels of Passive Smoking in Children With Asthma? BMJ Group, 1997.