APA (7th ed.) Citation

Freeman, K., & Diels, H. (1953). The pre-Socratic philosophers: A companion to Diels, Fragmente der Vorsokratiker (3rd ed.). Basil Blackwell.

Chicago Style (17th ed.) Citation

Freeman, Kathleen, and Hermann Diels. The Pre-Socratic Philosophers: A Companion to Diels, Fragmente Der Vorsokratiker. 3rd ed. Oxford: Basil Blackwell, 1953.

MLA (9th ed.) Citation

Freeman, Kathleen, and Hermann Diels. The Pre-Socratic Philosophers: A Companion to Diels, Fragmente Der Vorsokratiker. 3rd ed. Basil Blackwell, 1953.