APA (7th ed.) Citation

Silberman & Hansburg. (2005). How to speak up without putting others down: Participant's workbook. Pfeiffer.

Chicago Style (17th ed.) Citation

Silberman and Hansburg. How to Speak Up Without Putting Others Down: Participant's Workbook. San Francisco: Pfeiffer, 2005.

MLA (8th ed.) Citation

Silberman and Hansburg. How to Speak Up Without Putting Others Down: Participant's Workbook. Pfeiffer, 2005.