Cita APA (7a ed.)

Katz, W. A. (1978). Introduction to reference work. McGraw-Hill.

Cita Chicago Style (17a ed.)

Katz, William A. Introduction to Reference Work. New York [etc.]: McGraw-Hill, 1978.

Cita MLA (9a ed.)

Katz, William A. Introduction to Reference Work. McGraw-Hill, 1978.