APA (7th ed.) Citation

Assemble You, issuing body. (2023). Body language in customer service ([First edition].). Assemble You.

Chicago Style (17th ed.) Citation

Assemble You, issuing body. Body Language in Customer Service. [First edition]. [Place of publication not identified]: Assemble You, 2023.

MLA (9th ed.) Citation

Assemble You, issuing body. Body Language in Customer Service. [First edition]. Assemble You, 2023.