एपीए उद्धरण

Severns, W. H. (1954). Steam, air, and gas power. New York: John Wiley & Sons ,Inc.

शिकागो स्टाइल उद्धरण

Severns, William H. Steam, Air, and Gas Power. New York: John Wiley & Sons ,Inc, 1954.

एमएलए उद्धरण

Severns, William H. Steam, Air, and Gas Power. New York: John Wiley & Sons ,Inc, 1954.