APA (7th ed.) Citation

Koren, H. J. (1961). An INTRODUCTION to the science of Metaphysics. B. Herder, ed.

Chicago Style (17th ed.) Citation

Koren, Henry J. An INTRODUCTION to the Science of Metaphysics. London: B. Herder, ed, 1961.

MLA (9th ed.) Citation

Koren, Henry J. An INTRODUCTION to the Science of Metaphysics. B. Herder, ed, 1961.