Cita APA (7a ed.)

Katz, W. A. (1978). Reference services and reference processes (3rd ed.). McGraw-Hill Book Company.

Cita Chicago Style (17a ed.)

Katz, William A. Reference Services and Reference Processes. 3rd ed. New York [etc.]: McGraw-Hill Book Company, 1978.

Cita MLA (9a ed.)

Katz, William A. Reference Services and Reference Processes. 3rd ed. McGraw-Hill Book Company, 1978.