APA (7th ed.) Citation

Katz, B. (2004). Digital reference services ([1st ed.].). Haworth Information Press.

Chicago Style (17th ed.) Citation

Katz, Bill. Digital Reference Services. [1st ed.]. New York: Haworth Information Press, 2004.

MLA (9th ed.) Citation

Katz, Bill. Digital Reference Services. [1st ed.]. Haworth Information Press, 2004.