Cita APA (7a ed.)

Calvert, P. (1993). An introduction to comparative politics. Harvester Wheatsheaf, a division of Simon & Schuster International Group.

Cita Chicago Style (17a ed.)

Calvert, Peter. An Introduction to Comparative Politics. Hertfordshire, [England]: Harvester Wheatsheaf, a division of Simon & Schuster International Group, 1993.

Cita MLA (9a ed.)

Calvert, Peter. An Introduction to Comparative Politics. Harvester Wheatsheaf, a division of Simon & Schuster International Group, 1993.