APA (7th ed.) Citation

Caldirola, D., Bellodi, L., Cammino, S., & Perna, G. (2004). Smoking and respiratory irregularity in panic disorder. Biological psychiatry (1969), 56(6), 393-398. https://doi.org/10.1016/j.biopsych.2004.06.013

Chicago Style (17th ed.) Citation

Caldirola, Daniela, Laura Bellodi, Stefania Cammino, and Giampaolo Perna. "Smoking and Respiratory Irregularity in Panic Disorder." Biological Psychiatry (1969) 56, no. 6 (2004): 393-398. https://doi.org/10.1016/j.biopsych.2004.06.013.

MLA (9th ed.) Citation

Caldirola, Daniela, et al. "Smoking and Respiratory Irregularity in Panic Disorder." Biological Psychiatry (1969), vol. 56, no. 6, 2004, pp. 393-398, https://doi.org/10.1016/j.biopsych.2004.06.013.