Popcorn effect.

MLA

Petrella, Francesco, et al. “Popcorn Effect.” Journal of Bronchology & Interventional Pulmonology, vol. 20, no. 2, Apr. 2013, pp. 193–94. EBSCOhost, https://doi.org/10.1097/LBR.0b013e31828b9cad.

APA

Petrella, F., Cavaliere, S., & Spaggiari, L. (2013). Popcorn effect. Journal of Bronchology & Interventional Pulmonology, 20(2), 193–194. https://doi.org/10.1097/LBR.0b013e31828b9cad

Chicago

Petrella, Francesco, Sergio Cavaliere, and Lorenzo Spaggiari. 2013. “Popcorn Effect.” Journal of Bronchology & Interventional Pulmonology 20 (2): 193–94. doi:10.1097/LBR.0b013e31828b9cad.