एपीए उद्धरण

Gregory, A. (2001). Eureka: The birth of science. Icon books.

शिकागो स्टाइल उद्धरण

Gregory, Andrew. Eureka: The Birth of Science. Cambridge: Icon books, 2001.

एमएलए उद्धरण

Gregory, Andrew. Eureka: The Birth of Science. Icon books, 2001.