APA (7th ed.) Citation

Walton, R. J. (1991). What are we fighting for? Nation, 252(20), 709.

Chicago Style (17th ed.) Citation

Walton, Richard J. "What Are We Fighting for?" Nation 252, no. 20 (1991): 709.

MLA (9th ed.) Citation

Walton, Richard J. "What Are We Fighting for?" Nation, vol. 252, no. 20, 1991, p. 709.