APA-referens

Ferguson,John H McHenry, D. E. (1950). The American federal government (2nd ed.). Mcgrowhill book company.

Chicago-stil citat

Ferguson,John H McHenry, Dean E. The American Federal Government. 2nd ed. New York: Mcgrowhill book company, 1950.

MLA-referens

Ferguson,John H McHenry, Dean E. The American Federal Government. 2nd ed. Mcgrowhill book company, 1950.