APA (7th ed.) Citation

Leonard, R. L., & Butler, D. (1996). Elections in Britain today: A guide for voters and students (3rd ed.). MacMillan [etc.].

Chicago Style (17th ed.) Citation

Leonard, R. L., and David Butler. Elections in Britain Today: A Guide for Voters and Students. 3rd ed. Basingstoke [etc.]: MacMillan [etc.], 1996.

MLA (9th ed.) Citation

Leonard, R. L., and David Butler. Elections in Britain Today: A Guide for Voters and Students. 3rd ed. MacMillan [etc.], 1996.