Cita APA (7th ed.)

Curtis, M. (1990). Introduction to comparative government (2nd ed.). Harper & Row.

Cita Chicago (17th ed.)

Curtis, Michael. Introduction to Comparative Government. 2nd ed. New York: Harper & Row, 1990.

Cita MLA (9th ed.)

Curtis, Michael. Introduction to Comparative Government. 2nd ed. Harper & Row, 1990.