एपीए उद्धरण

Walter T Wallbank. (1965). Civilization; T2: Past and present. Chicago: Scott, Foesman.

शिकागो स्टाइल उद्धरण

Walter T Wallbank. Civilization; T2: Past and Present. Chicago: Scott, Foesman, 1965.

एमएलए उद्धरण

Walter T Wallbank. Civilization; T2: Past and Present. Chicago: Scott, Foesman, 1965.