APA (7th ed.) Citation

Barnwell Sara & Earleywine Mitch. (2007). Decreased respiratory symptoms in cannabis users who vaporize. BMC.

Chicago Style (17th ed.) Citation

Barnwell Sara and Earleywine Mitch. Decreased Respiratory Symptoms in Cannabis Users Who Vaporize. BMC, 2007.

MLA (9th ed.) Citation

Barnwell Sara and Earleywine Mitch. Decreased Respiratory Symptoms in Cannabis Users Who Vaporize. BMC, 2007.

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