Παραπομπή APA

Cage, J., & Waddington, C. H. (1972). Biology and the history of the future: An I.U.B.S. / Unesco symposium. Edinburgh: Edinburgh University Press.

Παραπομπή Chicago Style

Cage, John, and Conrad Hal Waddington. Biology and the History of the Future: An I.U.B.S. / Unesco Symposium. Edinburgh: Edinburgh University Press, 1972.

Παραπομπή MLA

Cage, John, and Conrad Hal Waddington. Biology and the History of the Future: An I.U.B.S. / Unesco Symposium. Edinburgh: Edinburgh University Press, 1972.

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