Cita APA (7a ed.)
Verwer, G. (2000). Out of the comfort zone. Bethany House.
Cita Chicago Style (17a ed.)
Verwer, George. Out of the Comfort Zone. Minneapolis, Minn.: Bethany House, 2000.
Cita MLA (9a ed.)
Verwer, George. Out of the Comfort Zone. Bethany House, 2000.
Precaución: Estas citas no son 100% exactas.