APA (7th ed.) Citation

Vuillemin, J. (1986). What are philosophical systems? Cambridge University Press.

Chicago Style (17th ed.) Citation

Vuillemin, Jules. What Are Philosophical Systems? Cambridge: Cambridge University Press, 1986.

MLA (9th ed.) Citation

Vuillemin, Jules. What Are Philosophical Systems? Cambridge University Press, 1986.

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