MLA

Kristeller, Paul. Renaissance Thought: The Classic, Scholastic, and Humanist Strains. USA: Harper Torchbook, 1955.

APA

Kristeller, P. (1955). Renaissance Thought: The classic, scholastic, and humanist strains. USA: Harper Torchbook.

Chicago

Kristeller, Paul Renaissance Thought: The Classic, Scholastic, and Humanist Strains. USA: Harper Torchbook, 1955.