Cita APA (7a ed.)

Santayana, G. (1957). Dialogues in limbo: With three new dialogues (1st ed. as an Ann Arbor Book, 2nd impression, [New and enl. ed.].). University of Michigan Press.

Cita Chicago Style (17a ed.)

Santayana, George. Dialogues in Limbo: With Three New Dialogues. 1st ed. as an Ann Arbor Book, 2nd impression, [New and enl. ed.]. Ann Arbor: University of Michigan Press, 1957.

Cita MLA (9a ed.)

Santayana, George. Dialogues in Limbo: With Three New Dialogues. 1st ed. as an Ann Arbor Book, 2nd impression, [New and enl. ed.]. University of Michigan Press, 1957.