Citazione Stile APA (7a Edizione)

Frick, B. M. (1954). Sears list of subject headings (7a. ed.). Wilson Company.

Citazione stile Chigago Style (17a edizione)

Frick, Bertha Margaret. Sears List of Subject Headings. 7a. ed. New York: Wilson Company, 1954.

Citatione MLA (9a ed.)

Frick, Bertha Margaret. Sears List of Subject Headings. 7a. ed. Wilson Company, 1954.