Cita APA

Beer, S. H. 1. (1964). Patterns of government: The major political systems of Europe (2. edition rev. and enl.). New York, New York: Random.

Citación estilo Chicago

Beer, Samuel Hutchison 1911-2009. Patterns of Government: The Major Political Systems of Europe. 2. edition rev. and enl. New York, New York: Random, 1964.

Cita MLA

Beer, Samuel Hutchison 1911-2009. Patterns of Government: The Major Political Systems of Europe. 2. edition rev. and enl. New York, New York: Random, 1964.