Cita APA (7th ed.)

Volkomer, W. E. (1979). American government (Second edition.). Prentice-Hall.

Cita Chicago (17th ed.)

Volkomer, Walter E. American Government. Second edition. Englewood Cliffs, N.J: Prentice-Hall, 1979.

Cita MLA (9th ed.)

Volkomer, Walter E. American Government. Second edition. Prentice-Hall, 1979.