APA (7th ed.) Citation

Tunbridge, E., Harrison, P., Warden, D., Refsum, H., Johnston, C., & Smith, D. (2007). Human plasma homocysteine levels are associated with the catechol-O-methyltransferase Val158Met polymorphism.

Chicago Style (17th ed.) Citation

Tunbridge, E., P. Harrison, D. Warden, H. Refsum, C. Johnston, and D. Smith. Human Plasma Homocysteine Levels Are Associated with the Catechol-O-methyltransferase Val158Met Polymorphism. 2007.

MLA (9th ed.) Citation

Tunbridge, E., et al. Human Plasma Homocysteine Levels Are Associated with the Catechol-O-methyltransferase Val158Met Polymorphism. 2007.