Cita APA (7a ed.)

Lewis, H. (2000). Body language: A guide for professionals. Response Books.

Cita Chicago Style (17a ed.)

Lewis, Hedwig. Body Language: A Guide for Professionals. New Delhi ; Thousand Oaks, Calif.: Response Books, 2000.

Cita MLA (8a ed.)

Lewis, Hedwig. Body Language: A Guide for Professionals. Response Books, 2000.