APA (7th ed.) Citation

Hempel, C. G. (1966). Philosophy of natural science (7.print.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Hempel, Carl Gustav. Philosophy of Natural Science. 7.print. Englewood Cliffs: Prentice-Hall, 1966.

MLA (9th ed.) Citation

Hempel, Carl Gustav. Philosophy of Natural Science. 7.print. Prentice-Hall, 1966.