एपीए उद्धरण

Webster, G. C. (1959). Nitrogen metabolism in plants. Row peterson and Co.

शिकागो स्टाइल उद्धरण

Webster, George C. Nitrogen Metabolism in Plants. Illinois: Row peterson and Co, 1959.

एमएलए उद्धरण

Webster, George C. Nitrogen Metabolism in Plants. Row peterson and Co, 1959.