APA (7th ed.) Citation

ebrary, Inc, Eccleshall, R., & Walker, G. S. (1998). Biographical dictionary of British prime ministers. Routledge.

Chicago Style (17th ed.) Citation

ebrary, Inc, Robert Eccleshall, and Graham S. Walker. Biographical Dictionary of British Prime Ministers. London ; New York: Routledge, 1998.

MLA (9th ed.) Citation

ebrary, Inc, et al. Biographical Dictionary of British Prime Ministers. Routledge, 1998.