Cita APA (7th ed.)
Schiff, P. D., & Downes, J. (2010). Crash proof 2.0: How to profit from the economic collapse. Wiley.
Cita Chicago (17th ed.)
Schiff, Peter D., i John Downes. Crash Proof 2.0: How to Profit from the Economic Collapse. Hoboken, N.J.: Wiley, 2010.
Cita MLA (9th ed.)
Schiff, Peter D., i John Downes. Crash Proof 2.0: How to Profit from the Economic Collapse. Wiley, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.