APA Citation

Koren, H. J., & Koren, H. J. (1960). An Introduction to the philosophy of nature. Pittsburgh: Duquesne University.

Chicago Style Citation

Koren, Henry J., and Henry J. Koren. An Introduction to the Philosophy of Nature. Pittsburgh: Duquesne University, 1960.

MLA Citation

Koren, Henry J., and Henry J. Koren. An Introduction to the Philosophy of Nature. Pittsburgh: Duquesne University, 1960.

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