Smullyan, R. M. (1990). What is the name of this book?: The riddle of Dracula and other logical puzzles. Penguin.
Chicago Style (17th ed.) CitationSmullyan, Raymond M. What Is the Name of This Book?: The Riddle of Dracula and Other Logical Puzzles. London: Penguin, 1990.
MLA (9th ed.) CitationSmullyan, Raymond M. What Is the Name of This Book?: The Riddle of Dracula and Other Logical Puzzles. Penguin, 1990.