(1990). Great books of the Western World: Vol.6 -The dialogues of Plato,The seventh letter (2nd ed.). Encyclopaedia Britannica.
Chicago Edition CitationGreat Books of the Western World: Vol.6 -The Dialogues of Plato,The Seventh Letter. 2nd ed. Chicago: Encyclopaedia Britannica, 1990.
MLA引文Great Books of the Western World: Vol.6 -The Dialogues of Plato,The Seventh Letter. 2nd ed. Encyclopaedia Britannica, 1990.
警告:這些引文格式不一定是100%准確.