Cita APA (7th ed.)

GREENSPAN ALAN. (2008). THE AGE OF TURBULENCE. PENGUIN BOOKS.

Cita Chicago (17th ed.)

GREENSPAN ALAN. THE AGE OF TURBULENCE. LONDON: PENGUIN BOOKS, 2008.

Cita MLA (9th ed.)

GREENSPAN ALAN. THE AGE OF TURBULENCE. PENGUIN BOOKS, 2008.