APA (7th ed.) Citation

Selk, J. (2011). Executive Toughness: The Mental-Training Program to Increase Your Leadership Performance (1st edition.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Selk, Jason. Executive Toughness: The Mental-Training Program to Increase Your Leadership Performance. 1st edition. McGraw-Hill, 2011.

MLA (9th ed.) Citation

Selk, Jason. Executive Toughness: The Mental-Training Program to Increase Your Leadership Performance. 1st edition. McGraw-Hill, 2011.

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