APA (7th ed.) Citation

Amos, S. (1883). The science of politics (2nd ed.). K. Paul, Trench.

Chicago Style (17th ed.) Citation

Amos, Sheldon. The Science of Politics. 2nd ed. London: K. Paul, Trench, 1883.

MLA (9th ed.) Citation

Amos, Sheldon. The Science of Politics. 2nd ed. K. Paul, Trench, 1883.