APA (7th ed.) Citation

Biggs, D. C., Bol, M. A., & Baker, J. (2009). Guidebook for Conducting Airport User Surveys. Transportation Research Board.

Chicago Style (17th ed.) Citation

Biggs, D. C., M. A. Bol, and J. Baker. Guidebook for Conducting Airport User Surveys. Washington, D.C.: Transportation Research Board, 2009.

MLA (9th ed.) Citation

Biggs, D. C., et al. Guidebook for Conducting Airport User Surveys. Transportation Research Board, 2009.