APA (7th ed.) Citation

Hartley Gregory. (2010). The Body Language Handbook. Career Press.

Chicago Style (17th ed.) Citation

Hartley Gregory. The Body Language Handbook. Franklin Lakes, NJ: Career Press, 2010.

MLA (8th ed.) Citation

Hartley Gregory. The Body Language Handbook. Career Press, 2010.

Warning: These citations may not always be 100% accurate.