APA (7th ed.) Citation

(1939). The journal of unified science (Erkenntnis). W.P. van Stockum ; University of Chicago Press.

Chicago Style (17th ed.) Citation

The Journal of Unified Science (Erkenntnis). The Hague, Holland : Chicago, Ill.: W.P. van Stockum ; University of Chicago Press, 1939.

MLA (8th ed.) Citation

The Journal of Unified Science (Erkenntnis). W.P. van Stockum ; University of Chicago Press, 1939.