Cita APA

Childs, D., & Johnson, J. (1981). West Germany: Politics and society. Croom Helm.

Citación estilo Chicago

Childs, David, y Jeffrey Johnson. West Germany: Politics and Society. London: Croom Helm, 1981.

Cita MLA

Childs, David, y Jeffrey Johnson. West Germany: Politics and Society. Croom Helm, 1981.