Cita APA (7th ed.)

Irving, R. E. M. (1979). The Christian Democratic parties of Western Europe. Allen and Unwin [for] the Royal Institute of International Affairs.

Cita Chicago (17th ed.)

Irving, R. E. M. The Christian Democratic Parties of Western Europe. London: Allen and Unwin [for] the Royal Institute of International Affairs, 1979.

Cita MLA (8th ed.)

Irving, R. E. M. The Christian Democratic Parties of Western Europe. Allen and Unwin [for] the Royal Institute of International Affairs, 1979.