APA (7th ed.) Citation

(2023). The essentials of face-to-face customer service ([First edition].). Assemble You.

Chicago Style (17th ed.) Citation

The Essentials of Face-to-face Customer Service. [First edition]. [Place of publication not identified]: Assemble You, 2023.

MLA (9th ed.) Citation

The Essentials of Face-to-face Customer Service. [First edition]. Assemble You, 2023.