Crowther, J. G. (1968). Scientific types. Barrie & Rockliff the Cresset P.
芝加哥风格引文Crowther, J. G. Scientific Types. London: Barrie & Rockliff the Cresset P, 1968.
MLA引文Crowther, J. G. Scientific Types. Barrie & Rockliff the Cresset P, 1968.
警告：这些引文格式不一定是100％准确.