Cita APA

Franke, A. G., Lieb, K., & Hildt, E. (2012). What Users Think about the Differences between Caffeine and Illicit/Prescription Stimulants for Cognitive Enhancement. Public Library of Science.

Chicago Style Citation

Franke, Andreas G., Klaus Lieb, i Elisabeth Hildt. What Users Think About the Differences between Caffeine and Illicit/Prescription Stimulants for Cognitive Enhancement. Public Library of Science, 2012.

Cita MLA

Franke, Andreas G., Klaus Lieb, i Elisabeth Hildt. What Users Think About the Differences between Caffeine and Illicit/Prescription Stimulants for Cognitive Enhancement. Public Library of Science, 2012.