Cita APA (7a ed.)

Katz, W. A. (1997). Introduction to reference work (7th ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Katz, William A. Introduction to Reference Work. 7th ed. New York (N.Y.) [etc.]: McGraw-Hill, 1997.

Cita MLA (9a ed.)

Katz, William A. Introduction to Reference Work. 7th ed. McGraw-Hill, 1997.