De Camp, L. S. (1989). Citadels of mystery. New York: Ballantine Books.
Chicago Style CitationDe Camp, L. Sprague. Citadels of Mystery. New York: Ballantine Books, 1989.
MLA CitationDe Camp, L. Sprague. Citadels of Mystery. New York: Ballantine Books, 1989.
Warning: These citations may not always be 100% accurate.