एपीए उद्धरण

Letters of John. (1970). Letters of John Keats. Oxford University.

शिकागो स्टाइल उद्धरण

Letters of John. Letters of John Keats. London: Oxford University, 1970.

एमएलए उद्धरण

Letters of John. Letters of John Keats. Oxford University, 1970.