APA (7th ed.) Citation

Appiah, A. (1989). Necessary questions: An introduction to philosophy. Prentice-Hall.

Chicago Style (17th ed.) Citation

Appiah, Anthony. Necessary Questions: An Introduction to Philosophy. Englewood Cliffs, N.J: Prentice-Hall, 1989.

MLA (9th ed.) Citation

Appiah, Anthony. Necessary Questions: An Introduction to Philosophy. Prentice-Hall, 1989.