एपीए उद्धरण

Taylor, A. Purnell's History of the 20th Century. New York.

शिकागो स्टाइल उद्धरण

Taylor, AJP. Purnell's History of the 20th Century. New York.

एमएलए उद्धरण

Taylor, AJP. Purnell's History of the 20th Century. New York.