APA (7th ed.) Citation

MacLennan, H. (1961). The watch that ends the night. New American Library Signet book.

Chicago Style (17th ed.) Citation

MacLennan, Hugh. The Watch That Ends the Night. New York: New American Library Signet book, 1961.

MLA (8th ed.) Citation

MacLennan, Hugh. The Watch That Ends the Night. New American Library Signet book, 1961.

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