APA (7th ed.) Citation

Crossingham, J., & Kalman, B. (2004). Extreme skateboarding. Crabtree Pub..

Chicago Style (17th ed.) Citation

Crossingham, John, and Bobbie Kalman. Extreme Skateboarding. New York: Crabtree Pub., 2004.

MLA (8th ed.) Citation

Crossingham, John, and Bobbie Kalman. Extreme Skateboarding. Crabtree Pub., 2004.

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