Cita APA (7a ed.)

Wallace, W., & Caird, E. (1898). Lectures and essays on natural theology and ethics. At the Clarendon Press.

Cita Chicago Style (17a ed.)

Wallace, William, y Edward Caird. Lectures and Essays on Natural Theology and Ethics. Oxford: At the Clarendon Press, 1898.

Cita MLA (9a ed.)

Wallace, William, y Edward Caird. Lectures and Essays on Natural Theology and Ethics. At the Clarendon Press, 1898.