Cita APA (7th ed.)
Schuller, R. H. (1971). How to live confidently in troubled times (ed.). Tyndale.
Cita Chicago (17th ed.)
Schuller, Robert H. How to Live Confidently in Troubled Times. ed. Illinois: Tyndale, 1971.
Cita MLA (9th ed.)
Schuller, Robert H. How to Live Confidently in Troubled Times. ed. Tyndale, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.