APA (7th ed.) Citation

Zeller, E. (1883). A history of eclecticism in greek philosophy. Longmans.

Chicago Style (17th ed.) Citation

Zeller, Eduard. A History of Eclecticism in Greek Philosophy. London: Longmans, 1883.

MLA (9th ed.) Citation

Zeller, Eduard. A History of Eclecticism in Greek Philosophy. Longmans, 1883.