Ranft Ulrich, Pesch Beate, Reimann Verena, Sugiri Dorothee, Schikowski Tamara, & Krämer Ursula. (2008). Contribution of smoking and air pollution exposure in urban areas to social differences in respiratory health. BMC.
Chicago Style (17th ed.) CitationRanft Ulrich, Pesch Beate, Reimann Verena, Sugiri Dorothee, Schikowski Tamara, and Krämer Ursula. Contribution of Smoking and Air Pollution Exposure in Urban Areas to Social Differences in Respiratory Health. BMC, 2008.
MLA (9th ed.) CitationRanft Ulrich, et al. Contribution of Smoking and Air Pollution Exposure in Urban Areas to Social Differences in Respiratory Health. BMC, 2008.
Warning: These citations may not always be 100% accurate.