APA (7th ed.) Zitazioa

Lovecraft, H. P., & Derleth, A. (1975). The shuttered room and other tales of horror. Ballantine.

Chicago Style (17th ed.) Zitazioa

Lovecraft, H. P., eta August Derleth. The Shuttered Room and Other Tales of Horror. New York: Ballantine, 1975.

MLA (9th ed.) Zitazioa

Lovecraft, H. P., eta August Derleth. The Shuttered Room and Other Tales of Horror. Ballantine, 1975.