APA Citatie

Sears, M. E., & Westby, B. M. (1977). Sears list of subject headings (11th ed.). H. W. Wilson Co..

Chicago Style citaat

Sears, Minnie Earl, en Barbara Marietta Westby. Sears List of Subject Headings. 11th ed. New York: H. W. Wilson Co., 1977.

MLA citatie

Sears, Minnie Earl, en Barbara Marietta Westby. Sears List of Subject Headings. 11th ed. H. W. Wilson Co., 1977.