APA (7th ed.) Citation

Walker, M. (1983). Powers of the press: Twelve of the world's influential newspapers. The Pilgrim Press.

Chicago Style (17th ed.) Citation

Walker, Martin. Powers of the Press: Twelve of the World's Influential Newspapers. New York: The Pilgrim Press, 1983.

MLA (9th ed.) Citation

Walker, Martin. Powers of the Press: Twelve of the World's Influential Newspapers. The Pilgrim Press, 1983.