Cita APA (7a ed.)

Ruggles, R. (1949). An introduction to national income and income analysis. Mcgraw-Hill Book.

Cita Chicago Style (17a ed.)

Ruggles, Richard. An Introduction to National Income and Income Analysis. New York [etc.]: Mcgraw-Hill Book, 1949.

Cita MLA (9a ed.)

Ruggles, Richard. An Introduction to National Income and Income Analysis. Mcgraw-Hill Book, 1949.