APA (7th ed.) Citation

Isaak, A. C. (1987). An introduction to politics. Scott, Foresman.

Chicago Style (17th ed.) Citation

Isaak, Alan C. An Introduction to Politics. Glenview, Ill. u.a: Scott, Foresman, 1987.

MLA (9th ed.) Citation

Isaak, Alan C. An Introduction to Politics. Scott, Foresman, 1987.