APA (7th ed.) Citation

Foster, K. R. (1994). Mathematics powerhouse. IEEE Spectrum, 31, 12.

Chicago Style (17th ed.) Citation

Foster, Kenneth R. "Mathematics Powerhouse." IEEE Spectrum 31 (1994): 12.

MLA (9th ed.) Citation

Foster, Kenneth R. "Mathematics Powerhouse." IEEE Spectrum, vol. 31, 1994, p. 12.