Cita APA (7a ed.)

Santayana, G. (1957). Dialogues in limbo: With three new dialogues (1. ed.). The University.

Cita Chicago Style (17a ed.)

Santayana, George. Dialogues in Limbo: With Three New Dialogues. 1. ed. Michigan: The University, 1957.

Cita MLA (8a ed.)

Santayana, George. Dialogues in Limbo: With Three New Dialogues. 1. ed. The University, 1957.