APA (7th ed.) Citation

Penzler, O. (1977). Detectionary: A biographical dictionary of leading characters in detective and mystery fiction, including famous and little-known sleuths, their helpers, rogues, both heroic and sinister, and some of their most memorable adventures, as recounted in novels, short stories, and films (1st publ.). Overlook Press.

Chicago Style (17th ed.) Citation

Penzler, Otto. Detectionary: A Biographical Dictionary of Leading Characters in Detective and Mystery Fiction, Including Famous and Little-known Sleuths, Their Helpers, Rogues, Both Heroic and Sinister, and Some of Their Most Memorable Adventures, as Recounted in Novels, Short Stories, and Films. 1st publ. Woodstock, N.Y: Overlook Press, 1977.

MLA (8th ed.) Citation

Penzler, Otto. Detectionary: A Biographical Dictionary of Leading Characters in Detective and Mystery Fiction, Including Famous and Little-known Sleuths, Their Helpers, Rogues, Both Heroic and Sinister, and Some of Their Most Memorable Adventures, as Recounted in Novels, Short Stories, and Films. 1st publ. Overlook Press, 1977.

Warning: These citations may not always be 100% accurate.