एपीए उद्धरण

Gregory, K. J. (1977). River channel changes. Wiley Eastern.

शिकागो स्टाइल उद्धरण

Gregory, K J. River Channel Changes. Chrichester: Wiley Eastern, 1977.

एमएलए उद्धरण

Gregory, K J. River Channel Changes. Wiley Eastern, 1977.