Παραπομπή σε μορφή APA (7η εκδ.)

Karavitaki, N., Collison, K., Halliday, J., Byrnet, J., Price, P., Cudlips, S., & Wass, J. (2008). What is the natural history of nonoperated nonfunctioning pituitary adenomas?

Παραπομπή σε μορφή Chicago (17η εκδ.)

Karavitaki, N., K. Collison, J. Halliday, J. Byrnet, P. Price, S. Cudlips, και J. Wass. What Is the Natural History of Nonoperated Nonfunctioning Pituitary Adenomas? 2008.

Παραπομπή σε μορφή MLA (9th εκδ.)

Karavitaki, N., et al. What Is the Natural History of Nonoperated Nonfunctioning Pituitary Adenomas? 2008.