Gaya APA

Cornford, F, M. (1965). Principium Sapientiae : a study of the origins of greek philosophical thought (Trawas) . New York: Harper & Torchbooks.

Gaya MLA

Cornford, F., M.. "Principium Sapientiae : a study of the origins of greek philosophical thought (Trawas)". New York: Harper & Torchbooks, 1965. Text.