APA Style

Cassell, K, A. (1999). Developing reference collections and services in an electronic age : a how-to-do-it manual for librarians / Kay Ann Cassell. . NEWYORK: .

MLA Style

Cassell, Kay, A.. "Developing reference collections and services in an electronic age : a how-to-do-it manual for librarians / Kay Ann Cassell.". NEWYORK: , 1999. Text.