APA (7th ed.) Citation

Frondizi, R. (1971). What is value?: An introduction to axiology (2. ed.). Open Court Publ.

Chicago Style (17th ed.) Citation

Frondizi, Risieri. What Is Value?: An Introduction to Axiology. 2. ed. LaSalle, Ill: Open Court Publ, 1971.

MLA (9th ed.) Citation

Frondizi, Risieri. What Is Value?: An Introduction to Axiology. 2. ed. Open Court Publ, 1971.