APA

MacMahon, . (1931). The humanism of Irving Babbitt. Washington: Catholic University of America.

Chicago

MacMahon, . 1931. The humanism of Irving Babbitt. Washington: Catholic University of America.

Harvard

MacMahon, . (1931). The humanism of Irving Babbitt. Washington: Catholic University of America.

MLA

MacMahon, . The humanism of Irving Babbitt. Washington: Catholic University of America. 1931.