APA (7th ed.) Citation

Macridis, R. C. (1987). Modern political systems (6th ed.). Prentice-Hall, Inc.

Chicago Style (17th ed.) Citation

Macridis, Roy C. Modern Political Systems. 6th ed. Englewood Cliffs, New Jersey: Prentice-Hall, Inc, 1987.

MLA (9th ed.) Citation

Macridis, Roy C. Modern Political Systems. 6th ed. Prentice-Hall, Inc, 1987.