APA (7th ed.) Citation

Wallwork, A. (2014). Telephone and helpdesk skills: A guide to professional English. Springer.

Chicago Style (17th ed.) Citation

Wallwork, Adrian. Telephone and Helpdesk Skills: A Guide to Professional English. New York: Springer, 2014.

MLA (9th ed.) Citation

Wallwork, Adrian. Telephone and Helpdesk Skills: A Guide to Professional English. Springer, 2014.

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