APA stil citiranja

KATZ, W. A. (1974). 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." 1974.

MLA stil citiranja

KATZ, William Armstrong. "Introduction to reference work: Introduction to reference work. Vol. 2, Reference services and reference processes." 1974.