Cita APA (7th ed.)

Morgan, T. (1956). Introduction to economics (2d ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Morgan, Theodore. Introduction to Economics. 2d ed. New Jersey: Prentice-Hall, 1956.

Cita MLA (9th ed.)

Morgan, Theodore. Introduction to Economics. 2d ed. Prentice-Hall, 1956.