APA (7th ed.) Citation

Elaine, B. (2007). 90-world class activities by 90 world-class trainers. John Wiley.

Chicago Style (17th ed.) Citation

Elaine, Biech. 90-world Class Activities by 90 World-class Trainers. San Francisco, Calif: John Wiley, 2007.

MLA (8th ed.) Citation

Elaine, Biech. 90-world Class Activities by 90 World-class Trainers. John Wiley, 2007.