APA (7th ed.) Citation

Walker, G. (1999). Online retrieval: A dialogue of theory and practice (2nd ed.). Libraries Unlimited.

Chicago Style (17th ed.) Citation

Walker, Geraldene. Online Retrieval: A Dialogue of Theory and Practice. 2nd ed. Engleweeod, Colo: Libraries Unlimited, 1999.

MLA (9th ed.) Citation

Walker, Geraldene. Online Retrieval: A Dialogue of Theory and Practice. 2nd ed. Libraries Unlimited, 1999.