Thinkertoys : a handbook of creative-thinking techniques.

MLA

Michalko, Michael. Thinkertoys : a Handbook of Creative-thinking Techniques. 2nd ed. Berkeley: Ten Speed, 2006.

APA

Michalko, M. (2006). Thinkertoys : a handbook of creative-thinking techniques. 2nd ed. Berkeley: Ten Speed.

Chicago

Michalko, Michael, Thinkertoys: A Handbook of Creative-Thinking Techniques. 2nd ed. Berkeley: Ten Speed, 2006.