Cita APA (7th ed.)

Walker-Bone, K., Javid, K., Arden, N., & Cooper, C. (2001). Glucosamine and chondroitin may help in osteoarthritis.

Cita Chicago (17th ed.)

Walker-Bone, K., K. Javid, N. Arden, i C. Cooper. Glucosamine and Chondroitin May Help in Osteoarthritis. 2001.

Cita MLA (9th ed.)

Walker-Bone, K., et al. Glucosamine and Chondroitin May Help in Osteoarthritis. 2001.