APA

O'Sullivan N., . (1976). Conservatism. New York: St. Martin's Press.

Chicago

O'Sullivan Noël, . 1976. Conservatism. New York: St. Martin's Press.

Harvard

O'Sullivan N., . (1976). Conservatism. New York: St. Martin's Press.

MLA

O'Sullivan Noël, . Conservatism. New York: St. Martin's Press. 1976.