Cita APA (7a ed.)

Frankfurt, H. G. (1995). The importance of what we care about: Philosophical essays. Cambridge University.

Cita Chicago Style (17a ed.)

Frankfurt, Harry G. The Importance of What We Care About: Philosophical Essays. Cambridge: Cambridge University, 1995.

Cita MLA (9a ed.)

Frankfurt, Harry G. The Importance of What We Care About: Philosophical Essays. Cambridge University, 1995.