Citazione Stile APA (7a Edizione)

Karavitaki, N., Collison, K., Halliday, J., Byrne, J., Price, P., Cudlip, S., & Wass, J. (2007). What is the natural history of nonoperated nonfunctioning pituitary adenomas?

Citazione stile Chigago Style (17a edizione)

Karavitaki, N., K. Collison, J. Halliday, J. Byrne, P. Price, S. Cudlip, e J. Wass. What Is the Natural History of Nonoperated Nonfunctioning Pituitary Adenomas? 2007.

Citatione MLA (9a ed.)

Karavitaki, N., et al. What Is the Natural History of Nonoperated Nonfunctioning Pituitary Adenomas? 2007.