एपीए उद्धरण

McDonald, R. C. (1978). Geriatrics in the Residency Program.

शिकागो स्टाइल उद्धरण

McDonald, Robert Charles. Geriatrics in the Residency Program. 1978.

एमएलए उद्धरण

McDonald, Robert Charles. Geriatrics in the Residency Program. 1978.