Cita APA

Katz, W. A. 1., & Katz, W. A. 1. (1969). Introduction to reference work. New York, New York: McGraw-Hill.

Citación estilo Chicago

Katz, William A. 1924-2004, y William A. 1924-2004 Katz. Introduction to Reference Work. New York, New York: McGraw-Hill, 1969.

Cita MLA

Katz, William A. 1924-2004, y William A. 1924-2004 Katz. Introduction to Reference Work. New York, New York: McGraw-Hill, 1969.