Cita APA (7th ed.)

SARGENT, L. T. (1987). Contemporary political ideologies.-- ed.7. Brooks/Cole.

Cita Chicago (17th ed.)

SARGENT, Lyman Tower. Contemporary Political Ideologies.-- Ed.7. California: Brooks/Cole, 1987.

Cita MLA (9th ed.)

SARGENT, Lyman Tower. Contemporary Political Ideologies.-- Ed.7. Brooks/Cole, 1987.