Cita APA

Katz, W. A. (1987). Introduction to reference work (5th ed.). McGraw-Hill.

Citación estilo Chicago

Katz, William Armstrong. Introduction to Reference Work. 5th ed. New York: McGraw-Hill, 1987.

Cita MLA

Katz, William Armstrong. Introduction to Reference Work. 5th ed. McGraw-Hill, 1987.