Cita APA (7a ed.)

Beck, L. W. (1997). Six secular philosophers: Religious themes in the thought of Spinoza, Hume, Kant, Nietzsche, William James and Santayana (1st ed., rev.). Thoemmes Press.

Cita Chicago Style (17a ed.)

Beck, Lewis White. Six Secular Philosophers: Religious Themes in the Thought of Spinoza, Hume, Kant, Nietzsche, William James and Santayana. 1st ed., rev. Bristol: Thoemmes Press, 1997.

Cita MLA (9a ed.)

Beck, Lewis White. Six Secular Philosophers: Religious Themes in the Thought of Spinoza, Hume, Kant, Nietzsche, William James and Santayana. 1st ed., rev. Thoemmes Press, 1997.