APA način citiranja

Carroll, R., Antigua, J., Taichman, D., Palevsky, H., Forfia, P., Kawut, S., & Halpern, S. D. (2012). Motivations of patients with pulmonary arterial hypertension to participate in randomized clinical trials.

Čikaški stil citiranja

Carroll, Ricki, Jules Antigua, Darren Taichman, Harold Palevsky, Paul Forfia, Steven Kawut, i Scott D. Halpern. Motivations of Patients With Pulmonary Arterial Hypertension to Participate in Randomized Clinical Trials. 2012.

MLA način citiranja

Carroll, Ricki, et al. Motivations of Patients With Pulmonary Arterial Hypertension to Participate in Randomized Clinical Trials. 2012.