Παραπομπή σε μορφή APA (7η εκδ.)

Allen, N., Morris, J., Ngwenyama, R., & Key, T. (2004). A case--control study of selenium in nails and prostate cancer risk in British men.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Allen, N., J. Morris, R. Ngwenyama, και T. Key. A Case--control Study of Selenium in Nails and Prostate Cancer Risk in British Men. 2004.

Παραπομπή σε μορφή MLA (9th εκδ.)

Allen, N., et al. A Case--control Study of Selenium in Nails and Prostate Cancer Risk in British Men. 2004.