Allen, G. (1978). Life science in the twentieth century. London: Cambridge University Press.
Trích dẫn kiểu ChicagoAllen, Garland. Life Science in the Twentieth Century. London: Cambridge University Press, 1978.
MLA引文Allen, Garland. Life Science in the Twentieth Century. London: Cambridge University Press, 1978.
警告：這些引文格式不一定是100％准確.