APA
Comfort George O, Knapp Royce H. Shull Charles W, . (1954). Your government. New York, USA: McGraw Hill Book Company.
Chicago
Comfort George O, Knapp Royce H. Shull Charles W, . 1954. Your government. New York, USA: McGraw Hill Book Company.
Harvard
Comfort George O, Knapp Royce H. Shull Charles W, . (1954). Your government. New York, USA: McGraw Hill Book Company.
MLA
Comfort George O, Knapp Royce H. Shull Charles W, . Your government. New York, USA: McGraw Hill Book Company. 1954.
