APA (7th ed.) Citation

Allen, G. E. (1978). Life science in the twentieth century. Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Allen, Garland E. Life Science in the Twentieth Century. Cambridge u.a: Cambridge Univ. Press, 1978.

MLA (9th ed.) Citation

Allen, Garland E. Life Science in the Twentieth Century. Cambridge Univ. Press, 1978.