Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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