Citazione Stile APA (7a Edizione)

Nickel, M. L. (1975). Steps to service: A handbook of procedures for the school library media center. American Library Association.

Citazione stile Chigago Style (17a edizione)

Nickel, Mildred L. Steps to Service: A Handbook of Procedures for the School Library Media Center. Chicago: American Library Association, 1975.

Citatione MLA (9a ed.)

Nickel, Mildred L. Steps to Service: A Handbook of Procedures for the School Library Media Center. American Library Association, 1975.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.