APA (7th ed.) Citation

Press, C., & Williams, O. P. (1966). Democracy in the fifty States. Rand McNally.

Chicago Style (17th ed.) Citation

Press, Charles, and Oliver P. Williams. Democracy in the Fifty States. Chicago: Rand McNally, 1966.

MLA (8th ed.) Citation

Press, Charles, and Oliver P. Williams. Democracy in the Fifty States. Rand McNally, 1966.