APA (7th ed.) Citation

Roam, D. (2011). Blah blah blah: What to do when words don't work (1. publ.). Portfolio/Penguin.

Chicago Style (17th ed.) Citation

Roam, Dan. Blah Blah Blah: What to Do When Words Don't Work. 1. publ. New York, NY [u.a.]: Portfolio/Penguin, 2011.

MLA (9th ed.) Citation

Roam, Dan. Blah Blah Blah: What to Do When Words Don't Work. 1. publ. Portfolio/Penguin, 2011.