Here are some example citations from the Purdue OWL:
An article from a journal (paginated by issue):
Scruton, R. (1996). The eclipse of listening. The New Criterion, 15(3), 5-13.
An article from a magazine:
Henry, W. A., III. (1990, April 9). Making the grade in today's schools. Time, 135, 28-31.
An article from a newspaper (use 'p.' for one page, 'pp.' for multiple pages):
Schultz, S. (2005, December 28). Calls made to strengthen state energy policies. The Country Today, pp. 1A, 2A.