APA ציטוט

George, M. G., Schieb, L. J., Ayala, C., Talwalkar, A., & Levant, S. (2014). Pulmonary Hypertension Surveillance: United States, 2001 to 2010. American College of Chest Physicians.

Citação norma Chicago

George, Mary G., Linda J. Schieb, Carma Ayala, Anjali Talwalkar, and Shaleah Levant. Pulmonary Hypertension Surveillance: United States, 2001 to 2010. American College of Chest Physicians, 2014.

ציטוט MLA

George, Mary G., et al. Pulmonary Hypertension Surveillance: United States, 2001 to 2010. American College of Chest Physicians, 2014.