APA (7th ed.) Citation

Hetzler, F. M. (1990). Introduction to the philosophy of nature. Lang.

Chicago Style (17th ed.) Citation

Hetzler, Florence M. Introduction to the Philosophy of Nature. New York [etc.]: Lang, 1990.

MLA (9th ed.) Citation

Hetzler, Florence M. Introduction to the Philosophy of Nature. Lang, 1990.

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