Cita APA (7a ed.)

Leibniz, G. W., & Langley, A. G. (1916). Human understanding (2 ed.). The Open Court.

Cita Chicago Style (17a ed.)

Leibniz, Gottfried Wilhelm, y Alfred Gideon Langley. Human Understanding. 2 ed. Chicago: The Open Court, 1916.

Cita MLA (8a ed.)

Leibniz, Gottfried Wilhelm, y Alfred Gideon Langley. Human Understanding. 2 ed. The Open Court, 1916.