Cita APA (7th ed.)

Ray, P. O. (1922). An introduction to political parties and practical politics (New and rev. ed.). C. Scribner's sons.

Cita Chicago (17th ed.)

Ray, Perley Orman. An Introduction to Political Parties and Practical Politics. New and rev. ed. New York, Chicago [etc.]: C. Scribner's sons, 1922.

Cita MLA (9th ed.)

Ray, Perley Orman. An Introduction to Political Parties and Practical Politics. New and rev. ed. C. Scribner's sons, 1922.