Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.