Cita APA (7a ed.)

Katz, B. (1990). The reference library user, problems and solutions. Haworth.

Cita Chicago Style (17a ed.)

Katz, Bill. The Reference Library User, Problems and Solutions. New York [etc.]: Haworth, 1990.

Cita MLA (9a ed.)

Katz, Bill. The Reference Library User, Problems and Solutions. Haworth, 1990.