APA (7th ed.) Citation

Ferguson, R. B. (2004). Build or buy? eWeek, 21(28), 29.

Chicago Style (17th ed.) Citation

Ferguson, Renee Boucher. "Build or Buy?" EWeek 21, no. 28 (2004): 29.

MLA (9th ed.) Citation

Ferguson, Renee Boucher. "Build or Buy?" EWeek, vol. 21, no. 28, 2004, p. 29.