Style de citation APA (7e éd.)

Ashworth, W. (1967). Handbook of special Librarianship and Information work (3a ed.). [s.n.].

Style de citation Chicago (17e éd.)

Ashworth, Wilfred. Handbook of Special Librarianship and Information Work. 3a ed. London: [s.n.], 1967.

Style de citation MLA (9e éd.)

Ashworth, Wilfred. Handbook of Special Librarianship and Information Work. 3a ed. [s.n.], 1967.