Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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