APA (7th ed.) Citation

Ray, P. O. (1917). An introduction to political parties and practical politics (New and rev. ed.). Scribner.

Chicago Style (17th ed.) Citation

Ray, Perley Orman. An Introduction to Political Parties and Practical Politics. New and rev. ed. New York [u.a.]: Scribner, 1917.

MLA (9th ed.) Citation

Ray, Perley Orman. An Introduction to Political Parties and Practical Politics. New and rev. ed. Scribner, 1917.