APA (7th ed.) Citation

Library Association. County Libraries Group. (1967). Readers' guide to books on economics (2nd ed.). s.n.].

Chicago Style (17th ed.) Citation

Library Association. County Libraries Group. Readers' Guide to Books on Economics. 2nd ed. [London: s.n.], 1967.

MLA (9th ed.) Citation

Library Association. County Libraries Group. Readers' Guide to Books on Economics. 2nd ed. s.n.], 1967.