APA način citiranja

Mullen, J. B., Wright, J. L., Wiggs, B. R., Paré, P. D., & Hogg, J. C. (1987). Structure of central airways in current smokers and ex-smokers with and without mucus hypersecretion: Relationship to lung function.

Čikaški stil citiranja

Mullen, J B., J L. Wright, B R. Wiggs, P D. Paré, i J C. Hogg. Structure of Central Airways in Current Smokers and Ex-smokers With and Without Mucus Hypersecretion: Relationship to Lung Function. 1987.

MLA način citiranja

Mullen, J B., et al. Structure of Central Airways in Current Smokers and Ex-smokers With and Without Mucus Hypersecretion: Relationship to Lung Function. 1987.