Example:
Ruddick (2013) states that...
OR
...(Ruddick, 2013).
Author, A.A. (Year, Month Day). Title of article. Title of Newspaper, page number(s). URL
Example:
Graham, N. (2013, August 31). A business built on data innovation and clubcard points. Financial Times.
NB: If the newspaper article does not have page numbers available, the reference in this case ends with the title of the newspaper.