APA

Toulmin S. E., . (1950). An examination of the place of reason in ethics. Cambridge: University Press.

Chicago

Toulmin Stephen E, . 1950. An examination of the place of reason in ethics. Cambridge: University Press.

Harvard

Toulmin S. E., . (1950). An examination of the place of reason in ethics. Cambridge: University Press.

MLA

Toulmin Stephen E, . An examination of the place of reason in ethics. Cambridge: University Press. 1950.