APA (7th ed.) Citation

European Centre for Political Studies, Royal Institute of Public Administration, & Plowden, W. (1987). Advising the rulers. B. Blackwell.

Chicago Style (17th ed.) Citation

European Centre for Political Studies, Royal Institute of Public Administration, and William Plowden. Advising the Rulers. Oxford, UK ; New York, NY, USA: B. Blackwell, 1987.

MLA (9th ed.) Citation

European Centre for Political Studies, et al. Advising the Rulers. B. Blackwell, 1987.