APA

Butler R. J., . (19621963). Analytical philosophy. New York: Barnes & Noble.

Chicago

Butler R J, . 19621963. Analytical philosophy. New York: Barnes & Noble.

Harvard

Butler R. J., . (19621963). Analytical philosophy. New York: Barnes & Noble.

MLA

Butler R J, . Analytical philosophy. New York: Barnes & Noble. 19621963.