A realistic philosophy;
the perennial principles of thought and action in a changing world.

APA Citation

Reinhardt, K. F. (Kurt Frank). (1962). A realistic philosophy: the perennial principles of thought and action in a changing world. 2d ed. New York: Ungar.

MLA Citation

Reinhardt, Kurt F. (Kurt Frank), 1896-. A Realistic Philosophy: the Perennial Principles of Thought And Action In a Changing World. 2d ed. New York: Ungar, 1962.

Warning: These citations may not always be complete (especially for serials).