To reference newspaper articles the following format should be adopted

Author, Initials., Year. Title if article or column header. Full title of newspaper, Day and month before page numbers and column line.

Hagler, B. 1999. Black Monday Explained: An investor account. The Guardian, 1 Jan. p.23b.

(The page reference p.23b – the “23” indicates that the article is on the twenty third page of the newspaper, columns of print on a page are labelled left to right alphabetically. Therefore, b refers to the second column across the page from the left to right)