APA (7th ed.) Citation

Werner, A. G. (1962). On the external characters of minerals. University of Illinois Press.

Chicago Style (17th ed.) Citation

Werner, Abraham Gottlob. On the External Characters of Minerals. Urbana: University of Illinois Press, 1962.

MLA (9th ed.) Citation

Werner, Abraham Gottlob. On the External Characters of Minerals. University of Illinois Press, 1962.

Warning: These citations may not always be 100% accurate.