APA (7th ed.) Citation

(2008). Aslib directory of information sources in the United Kingdom (15. ed.). Routledge.

Chicago Style (17th ed.) Citation

Aslib Directory of Information Sources in the United Kingdom. 15. ed. London [u.a.]: Routledge, 2008.

MLA (9th ed.) Citation

Aslib Directory of Information Sources in the United Kingdom. 15. ed. Routledge, 2008.