Cita APA (7th ed.)

Walker, J. R. A. (1966). Information bulletins in special libraries: Background, problems and practice. Library Association.

Cita Chicago (17th ed.)

Walker, Jesse Richard Anthony. Information Bulletins in Special Libraries: Background, Problems and Practice. London: Library Association, 1966.

Cita MLA (9th ed.)

Walker, Jesse Richard Anthony. Information Bulletins in Special Libraries: Background, Problems and Practice. Library Association, 1966.