Cita APA (7th ed.)

Katz, W. A. (1978). Introduction to reference work: V.1 - Basic information sources (3rd ed.). McGraw-Hill Book Company.

Cita Chicago (17th ed.)

Katz, William A. Introduction to Reference Work: V.1 - Basic Information Sources. 3rd ed. New York: McGraw-Hill Book Company, 1978.

Cita MLA (9th ed.)

Katz, William A. Introduction to Reference Work: V.1 - Basic Information Sources. 3rd ed. McGraw-Hill Book Company, 1978.