APA (7th ed.) Citation

Ducasse, C. J. (1941). Philosophy as a science: Its matter and its method / C.J. Ducasse. Oskar Piest.

Chicago Style (17th ed.) Citation

Ducasse, C. J. Philosophy as a Science: Its Matter and Its Method / C.J. Ducasse. New York: Oskar Piest, 1941.

MLA (9th ed.) Citation

Ducasse, C. J. Philosophy as a Science: Its Matter and Its Method / C.J. Ducasse. Oskar Piest, 1941.

Warning: These citations may not always be 100% accurate.