Cita APA (7a ed.)

Leibniz, G. W., Ariew, R., & Garber, D. (1989). Philosophical essays. Hackett.

Cita Chicago Style (17a ed.)

Leibniz, Gottfried Wilhelm, Roger Ariew, y Daniel Garber. Philosophical Essays. Indianapolis [etc.]: Hackett, 1989.

Cita MLA (9a ed.)

Leibniz, Gottfried Wilhelm, et al. Philosophical Essays. Hackett, 1989.