APA (7th ed.) Citation

Watkins, F. M. (1934). The state as a concept of political science. Harper & Brothers.

Chicago Style (17th ed.) Citation

Watkins, Frederick Mundell. The State as a Concept of Political Science. New York, London: Harper & Brothers, 1934.

MLA (9th ed.) Citation

Watkins, Frederick Mundell. The State as a Concept of Political Science. Harper & Brothers, 1934.

Warning: These citations may not always be 100% accurate.