Cita APA

Schuller, R. H. (1983). Tough times never last, but tough people do. Thomas Nelson.

Citación estilo Chicago

Schuller, Robert H. Tough Times Never Last, but Tough People Do. New York: Thomas Nelson, 1983.

Cita MLA

Schuller, Robert H. Tough Times Never Last, but Tough People Do. Thomas Nelson, 1983.

Warning: These citations may not always be 100% accurate.