Cita APA (7th ed.)

(2011). Animal tool behavior: The use and manufacture of tools by animals / Robert W. Shumaker, Kristina R. Walkup, and Benjamin B. Beck ; foreword by Gordon M. Burghardt.

Cita Chicago (17th ed.)

Animal Tool Behavior: The Use and Manufacture of Tools by Animals / Robert W. Shumaker, Kristina R. Walkup, and Benjamin B. Beck ; Foreword by Gordon M. Burghardt. 2011.

Cita MLA (9th ed.)

Animal Tool Behavior: The Use and Manufacture of Tools by Animals / Robert W. Shumaker, Kristina R. Walkup, and Benjamin B. Beck ; Foreword by Gordon M. Burghardt. 2011.