एपीए उद्धरण

Vassiliev, M. (1960). Life in the twenty- first century. London: A Penguin Special.

शिकागो स्टाइल उद्धरण

Vassiliev, M. Life in the Twenty- First Century. London: A Penguin Special, 1960.

एमएलए उद्धरण

Vassiliev, M. Life in the Twenty- First Century. London: A Penguin Special, 1960.