APA (7th ed.) Citation

Pullin, J. (2010). There's optimism in the air about economic recovery but it's nervous. Professional Engineering, 23(10), 5.

Chicago Style (17th ed.) Citation

Pullin, John. "There's Optimism in the Air About Economic Recovery but It's Nervous." Professional Engineering 23, no. 10 (2010): 5.

MLA (9th ed.) Citation

Pullin, John. "There's Optimism in the Air About Economic Recovery but It's Nervous." Professional Engineering, vol. 23, no. 10, 2010, p. 5.