APA

Wild J. D., . (1948). Introduction to realistic philosophy. New York: Harper Pub.

Chicago

Wild John Daniel, . 1948. Introduction to realistic philosophy. New York: Harper Pub.

Harvard

Wild J. D., . (1948). Introduction to realistic philosophy. New York: Harper Pub.

MLA

Wild John Daniel, . Introduction to realistic philosophy. New York: Harper Pub. 1948.