APA (7th ed.) Citation

Igor Rudan, Cynthia Boschi-Pinto, Zrinka Biloglav, Kim Mulholland, & Harry Campbell. Epidemiology and etiology of childhood pneumonia. The World Health Organization.

Chicago Style (17th ed.) Citation

Igor Rudan, Cynthia Boschi-Pinto, Zrinka Biloglav, Kim Mulholland, and Harry Campbell. Epidemiology and Etiology of Childhood Pneumonia. The World Health Organization.

MLA (9th ed.) Citation

Igor Rudan, et al. Epidemiology and Etiology of Childhood Pneumonia. The World Health Organization.

Warning: These citations may not always be 100% accurate.