APA citiranje

Dahmen, N., Manderscheid, N., Helfrich, J., Musholt, P. B., Forst, T., Pfützner, A., & Engel, A. (2008). Elevated Peripheral Visfatin Levels in Narcoleptic Patients. Public Library of Science.

Citação norma Chicago

Dahmen, Norbert, Nina Manderscheid, Jana Helfrich, Petra B. Musholt, Thomas Forst, Andreas Pfützner, and Alice Engel. Elevated Peripheral Visfatin Levels in Narcoleptic Patients. Public Library of Science, 2008.

MLA citiranje

Dahmen, Norbert, et al. Elevated Peripheral Visfatin Levels in Narcoleptic Patients. Public Library of Science, 2008.