APA stil citiranja

Katz, W. A. (1987). Introduction to reference work: Introduction to reference work. Vol.2, Reference services and reference processes Introduction to reference work.

Chicago stil citiranja

Katz, William Armstrong. "Introduction to reference work: Introduction to reference work. Vol.2, Reference services and reference processes." 1987.

MLA stil citiranja

Katz, William Armstrong. "Introduction to reference work: Introduction to reference work. Vol.2, Reference services and reference processes." 1987.