APA (7th ed.) Citation

Lochr, J. E. (1993). Toughness training for life. Penguin Group.

Chicago Style (17th ed.) Citation

Lochr, James E. Toughness Training for Life. New York: Penguin Group, 1993.

MLA (9th ed.) Citation

Lochr, James E. Toughness Training for Life. Penguin Group, 1993.

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