Cita APA (7th ed.)

Zweizig, D. (1982). Output measures for public libraries: A manual of standardized procedures. American Library Association.

Cita Chicago (17th ed.)

Zweizig, Douglas. Output Measures for Public Libraries: A Manual of Standardized Procedures. Chicago: American Library Association, 1982.

Cita MLA (9th ed.)

Zweizig, Douglas. Output Measures for Public Libraries: A Manual of Standardized Procedures. American Library Association, 1982.