APA (7th ed.) Citation

Yudkin, P., Yudkin, P. L., & Hope, P. (1993). Consequences of birth asphyxia.

Chicago Style (17th ed.) Citation

Yudkin, P., Patricia L.N Yudkin, and P. Hope. Consequences of Birth Asphyxia. 1993.

MLA (9th ed.) Citation

Yudkin, P., et al. Consequences of Birth Asphyxia. 1993.