Remember that a citation to an article has two titles: 1) The title of the article and 2) the title of the journal.
Thorne, S. (2015). Safe staffing and the global mandate for health. Nursing Inquiry, 22(3), 189-189. doi:10.1111/nin.12117
The title of the article is: Safe staffing and the global mandate for health.
The title of the journal is: Nursing inquiry.
Other parts of a journal citation are the: author, date, volume, issue, page number(s), doi (digital object identifier)