For a detailed list referencing a various newspaper styles, see the Library's Page on Referencing Book Sources. 

One Author

Author’s Surname, Initials. (Year, Month Day). Title of Article. Title of Newspaper, pages (p.).

e.g. Catanzaro, J. (2012, February 13). Diary revelation may give Simpson his VC. The West Australian, p. 5.

In-text: (Authors Surname, Year)

e.g. (Catanzaro, 2012)

No Author

Title of Article. (Year, Month Day). Title of Newspaper, pages (p.).

e.g. R-movies rated as abuse. (1995, January 7). The West Australian, p. 5.

In-text:  (“R-movies,” 1995)