Citazione Stile APA (7a Edizione)

Grube, G. M. A. G. M. A., & Zeyl, D. (1980). Plato’s thought. Hackett Publishing Company.

Citazione stile Chigago Style (17a edizione)

Grube, G. M. A George Maximilian Anthony, e Donald Zeyl. Plato’s Thought. Indianapolis, USA: Hackett Publishing Company, 1980.

Citatione MLA (9a ed.)

Grube, G. M. A George Maximilian Anthony, e Donald Zeyl. Plato’s Thought. Hackett Publishing Company, 1980.