APA (7th ed.) Citation

Schuller, R. H. (1983). Tough times never last, but tough people do (11. print.). Nelson.

Chicago Style (17th ed.) Citation

Schuller, Robert H. Tough Times Never Last, but Tough People Do. 11. print. Nashville, Tenn. [u.a.]: Nelson, 1983.

MLA (8th ed.) Citation

Schuller, Robert H. Tough Times Never Last, but Tough People Do. 11. print. Nelson, 1983.

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