APA (7th ed.) Citation

Richard, S. (1984). Directory of British official publications: A guide to sources (2nd ed.). Mansell Pub..

Chicago Style (17th ed.) Citation

Richard, Stephen. Directory of British Official Publications: A Guide to Sources. 2nd ed. London ; New York: Mansell Pub., 1984.

MLA (9th ed.) Citation

Richard, Stephen. Directory of British Official Publications: A Guide to Sources. 2nd ed. Mansell Pub., 1984.