For most newspaper articles you can cite the author and year in the text of your work. However, if it is a news article and does not attribute an author, the newspaper name is used in the text and instead of the author in the reference list.
Format: in text citation
Newspapers have been quite negative in their coverage of Maxwell (Surname, Year).
Format: reference
Journalist surname, initials. (Year) Title of news item. Name of newspaper. Day Month, p. or pp. [first and last page numbers].
Example: in text citation
Newspapers have been quite negative in their coverage of Maxwell (Peters, 2009).
Example: reference
Peters, R. (2009) Picking up Maxwell’s bills. Independent. 4 June, p.28.