एपीए उद्धरण

Spencer: Critical. (1971). Spencer: Critical Heritage. Vikas Publishing House Pvt. Ltd.

शिकागो स्टाइल उद्धरण

Spencer: Critical. Spencer: Critical Heritage. New Delhi: Vikas Publishing House Pvt. Ltd, 1971.

एमएलए उद्धरण

Spencer: Critical. Spencer: Critical Heritage. Vikas Publishing House Pvt. Ltd, 1971.