APA (7th ed.) Citation

Day, A. J., Campbell, J. (. R. E., & German, R. Political parties of the world (4th ed.). Cartermill.

Chicago Style (17th ed.) Citation

Day, Alan J., John (John R. E. Campbell, and Richar German. Political Parties of the World. 4th ed. London: Cartermill.

MLA (9th ed.) Citation

Day, Alan J., et al. Political Parties of the World. 4th ed. Cartermill.