APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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