APA

Zeller E., Palmer L. & Nestle W. (1955). Outlines of the history of Greek philosophy. New York: Meridian Books.

Chicago

Zeller Eduard, Palmer L.R and Nestle Wilhelm. 1955. Outlines of the history of Greek philosophy. New York: Meridian Books.

Harvard

Zeller E., Palmer L. and Nestle W. (1955). Outlines of the history of Greek philosophy. New York: Meridian Books.

MLA

Zeller Eduard, Palmer L.R and Nestle Wilhelm. Outlines of the history of Greek philosophy. New York: Meridian Books. 1955.