APA

Brennan J. G., . (1953). The meaning of philosophy: a survey of the problems of philosophy and of the opinions of philosophers. New York: Harper & Brothers.

Chicago

Brennan Joseph Gerard, . 1953. The meaning of philosophy: a survey of the problems of philosophy and of the opinions of philosophers. New York: Harper & Brothers.

Harvard

Brennan J. G., . (1953). The meaning of philosophy: a survey of the problems of philosophy and of the opinions of philosophers. New York: Harper & Brothers.

MLA

Brennan Joseph Gerard, . The meaning of philosophy: a survey of the problems of philosophy and of the opinions of philosophers. New York: Harper & Brothers. 1953.