Gaya APA

[et.al], E, R, B. (2013). A Mathematical Model of the Circadian Phase-Shifting Effects of Exogenous Melatonin . : SAGE Publications Ltd.

Gaya MLA

[et.al], Emily, R., Breslow. "A Mathematical Model of the Circadian Phase-Shifting Effects of Exogenous Melatonin". : SAGE Publications Ltd, 2013. e-journal.