APA (7th ed.) Citation

Powrie, T. L. (1983). Political an economic systems (rev.ed.). Academic Press.

Chicago Style (17th ed.) Citation

Powrie, T. L. Political an Economic Systems. rev.ed. Don Mills, Ont: Academic Press, 1983.

MLA (9th ed.) Citation

Powrie, T. L. Political an Economic Systems. rev.ed. Academic Press, 1983.