APA引文

Ward ,Martin L. (1977). Sears list of subject headings. The H W Wilson Comp.

Chicago Edition Citation

Ward ,Martin L. Sears List of Subject Headings. London: The H W Wilson Comp, 1977.

MLA引文

Ward ,Martin L. Sears List of Subject Headings. The H W Wilson Comp, 1977.

警告：這些引文格式不一定是100％准確.