Cita APA (7th ed.)

Hedges, R. (1997). Collecting a debt: How to enforce payment of money owed to you. Grolier.

Cita Chicago (17th ed.)

Hedges, Roy. Collecting a Debt: How to Enforce Payment of Money Owed to You. Wanchai, Hong Kong: Grolier, 1997.

Cita MLA (9th ed.)

Hedges, Roy. Collecting a Debt: How to Enforce Payment of Money Owed to You. Grolier, 1997.