Cita APA (7a ed.)

Heilbroner, R. L. (1972). Understanding macroeconomics (4th ed.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Heilbroner, Robert L. Understanding Macroeconomics. 4th ed. Englewood Cliffs, N.J: Prentice-Hall, 1972.

Cita MLA (9a ed.)

Heilbroner, Robert L. Understanding Macroeconomics. 4th ed. Prentice-Hall, 1972.