APA (7th ed.) Zitazioa
Sheehan, D. V. (1983). The anxiety disease. Bantam Books.
Chicago Style (17th ed.) Zitazioa
Sheehan, David V. The Anxiety Disease. Toronto: Bantam Books, 1983.
MLA (9th ed.) Zitazioa
Sheehan, David V. The Anxiety Disease. Bantam Books, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.