APA (7th ed.) Citation

Blackstone, M., & O'Brien, J. (1999). This is soccer. Holt.

Chicago Style (17th ed.) Citation

Blackstone, Margaret, and John O'Brien. This Is Soccer. New York: Holt, 1999.

MLA (8th ed.) Citation

Blackstone, Margaret, and John O'Brien. This Is Soccer. Holt, 1999.

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