APA (7th ed.) Citation

Portigal, S., & McCracken, G. (2013). Interviewing users : how to uncover compelling insights / Steve Portigal; forward by Grant McCracken: How to uncover compelling insights. Rosenfeld Media.

Chicago Style (17th ed.) Citation

Portigal, Steve, and Grant McCracken. Interviewing Users : How to Uncover Compelling Insights / Steve Portigal; Forward by Grant McCracken: How to Uncover Compelling Insights. New York: Rosenfeld Media, 2013.

MLA (9th ed.) Citation

Portigal, Steve, and Grant McCracken. Interviewing Users : How to Uncover Compelling Insights / Steve Portigal; Forward by Grant McCracken: How to Uncover Compelling Insights. Rosenfeld Media, 2013.

Warning: These citations may not always be 100% accurate.