APA (7th ed.) Citation

Ferm, V. T. A. (1965). A history of philosophical systems. Littlefield Adams.

Chicago Style (17th ed.) Citation

Ferm, Vergilius Ture Anselm. A History of Philosophical Systems. Paterson, N.J: Littlefield Adams, 1965.

MLA (9th ed.) Citation

Ferm, Vergilius Ture Anselm. A History of Philosophical Systems. Littlefield Adams, 1965.

Warning: These citations may not always be 100% accurate.