APA (7th ed.) Citation

Spool, J. M., Perfetti, C., & Brittan, D. (2004). Designing for the scent of information. User Interface Engineering.

Chicago Style (17th ed.) Citation

Spool, Jared M., Christine Perfetti, and David Brittan. Designing for the Scent of Information. Middleton, MA: User Interface Engineering, 2004.

MLA (9th ed.) Citation

Spool, Jared M., et al. Designing for the Scent of Information. User Interface Engineering, 2004.