APA (7th ed.) Citation

Schulz, U., Rothwell, P., & Trialists, E. (2001). Variations in carotid bifurcation anatomy: Differences within and between individuals.

Chicago Style (17th ed.) Citation

Schulz, U., P. Rothwell, and E. Trialists. Variations in Carotid Bifurcation Anatomy: Differences Within and Between Individuals. 2001.

MLA (9th ed.) Citation

Schulz, U., et al. Variations in Carotid Bifurcation Anatomy: Differences Within and Between Individuals. 2001.