APA (7th ed.) Citation

Frondizi, R. (1963). What is value?: An introduction to axiology. Open Court.

Chicago Style (17th ed.) Citation

Frondizi, Risieri. What Is Value?: An Introduction to Axiology. LaSalle, Ill: Open Court, 1963.

MLA (9th ed.) Citation

Frondizi, Risieri. What Is Value?: An Introduction to Axiology. Open Court, 1963.