APA (7th ed.) Citation

Bilas, J. (2013). Toughness: Developing True Strength On And Off The Court. Penguin Group.

Chicago Style (17th ed.) Citation

Bilas, Jay. Toughness: Developing True Strength On And Off The Court. USA: Penguin Group, 2013.

MLA (9th ed.) Citation

Bilas, Jay. Toughness: Developing True Strength On And Off The Court. Penguin Group, 2013.

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