एपीए उद्धरण

(1970). Toward century 21: Technology, society, and human values. New York: Basic Books.

शिकागो स्टाइल उद्धरण

Toward Century 21: Technology, Society, and Human Values. New York: Basic Books, 1970.

एमएलए उद्धरण

Toward Century 21: Technology, Society, and Human Values. New York: Basic Books, 1970.