APA (7th ed.) Citation

(2002). Facial action coding system: An ebook for pdf readers. A Human Face.

Chicago Style (17th ed.) Citation

Facial Action Coding System: An Ebook for Pdf Readers. Douglas, Ariz: A Human Face, 2002.

MLA (9th ed.) Citation

Facial Action Coding System: An Ebook for Pdf Readers. A Human Face, 2002.

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