See this example properly formatted in the QUT Cite tool.
Standard in-text citation examples are in Getting started - In-text citation.
Author AA, Author BB. Title of article. In: Database name [Internet]. Year of publication [cited Year Month Day]; Available from: http://www.xxxx.xxx.xx
Nieuwlaat R, Wilczynski N, Navarro T, Hobson N, Jeffery R, Keepanasseril A, Agoritsas T, Mistry N, Iorio A, Jack S, Sivaramalingam B, Iserman E, Mustafa RA, Jedraszewski D, Cotoi C, Haynes RB. Interventions for enhancing medication adherence. In: Cochrane Database of Systematic Reviews [Internet]. 2014 [cited 2017 Jul 5]. Available from: http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD000011.pub4/full
Also use this format for systematic reviews found in the Joanna Briggs Institute EBP databases (via JBI Connect or Ovid)
For a systematic review published in a journal use Articles - Print or Articles - Electronic.