Cita APA (7th ed.)
Ross, B. How to Beat the High Cost of Travel. U.S. News and World Report.
Cita Chicago (17th ed.)
Ross, Betty. How to Beat the High Cost of Travel. Washington, EUA: U.S. News and World Report.
Cita MLA (9th ed.)
Ross, Betty. How to Beat the High Cost of Travel. U.S. News and World Report.
Atenció: Aquestes cites poden no estar 100% correctes.