APA

Scanlon T M,, . (2003). The difficulty of tolerance : Essays in political philosophy. Cambridge: Cambridge University Press.

Chicago

Scanlon T M,, . 2003. The difficulty of tolerance : Essays in political philosophy. Cambridge: Cambridge University Press.

Harvard

Scanlon T M,, . (2003). The difficulty of tolerance : Essays in political philosophy. Cambridge: Cambridge University Press.

MLA

Scanlon T M,, . The difficulty of tolerance : Essays in political philosophy. Cambridge: Cambridge University Press. 2003.