Cita APA (7th ed.)

Thilly, F. (1905). Introduction to ethics. Charles Scribner's Sons.

Cita Chicago (17th ed.)

Thilly, Frank. Introduction to Ethics. New York: Charles Scribner's Sons, 1905.

Cita MLA (9th ed.)

Thilly, Frank. Introduction to Ethics. Charles Scribner's Sons, 1905.