APA aipamena

Hetland, R. B., Cassee, F. R., Låg, M., Refsnes, M., Dybing, E., & Schwarze, P. E. (2005). Cytokine release from alveolar macrophages exposed to ambient particulate matter: Heterogeneity in relation to size, city and season. BioMed Central.

Chicago Style aipamena

Hetland, Ragna B., Flemming R. Cassee, Marit Låg, Magne Refsnes, Erik Dybing, and Per E. Schwarze. Cytokine Release From Alveolar Macrophages Exposed to Ambient Particulate Matter: Heterogeneity in Relation to Size, City and Season. BioMed Central, 2005.

MLA aipamena

Hetland, Ragna B., et al. Cytokine Release From Alveolar Macrophages Exposed to Ambient Particulate Matter: Heterogeneity in Relation to Size, City and Season. BioMed Central, 2005.