Cita APA (7th ed.)

Walter, V. A. (1992). Output measures for public library service to children: A manual of standardized procedures. Association for Library Service to Children and Public Library Association, American Library Association.

Cita Chicago (17th ed.)

Walter, Virginia A. Output Measures for Public Library Service to Children: A Manual of Standardized Procedures. Chicago: Association for Library Service to Children and Public Library Association, American Library Association, 1992.

Cita MLA (9th ed.)

Walter, Virginia A. Output Measures for Public Library Service to Children: A Manual of Standardized Procedures. Association for Library Service to Children and Public Library Association, American Library Association, 1992.