APA (7th ed.) Citation

Hirko Buff. (2004). Virtual reference training: The complete guide to providing anytime, anywhere answer. American Library Association.

Chicago Style (17th ed.) Citation

Hirko Buff. Virtual Reference Training: The Complete Guide to Providing Anytime, Anywhere Answer. Chicago: American Library Association, 2004.

MLA (8th ed.) Citation

Hirko Buff. Virtual Reference Training: The Complete Guide to Providing Anytime, Anywhere Answer. American Library Association, 2004.