Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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