APA

Reinhardt K. F., . (1944). A realistic philosophy : the perennial principles of thought and action in a changing world. Milwaukee: Bruce Publishing.

Chicago

Reinhardt Kurt Frank, . 1944. A realistic philosophy : the perennial principles of thought and action in a changing world. Milwaukee: Bruce Publishing.

Harvard

Reinhardt K. F., . (1944). A realistic philosophy : the perennial principles of thought and action in a changing world. Milwaukee: Bruce Publishing.

MLA

Reinhardt Kurt Frank, . A realistic philosophy : the perennial principles of thought and action in a changing world. Milwaukee: Bruce Publishing. 1944.