एपीए उद्धरण

(1970). Challenges from the future: Proceedings of the International Future Research Conference. Kodansha: Japan Society of Futurology.

शिकागो स्टाइल उद्धरण

Challenges From the Future: Proceedings of the International Future Research Conference. Kodansha: Japan Society of Futurology, 1970.

एमएलए उद्धरण

Challenges From the Future: Proceedings of the International Future Research Conference. Kodansha: Japan Society of Futurology, 1970.