Cita APA (7a ed.)

Lippmann, W. (1929). A preface to morals. The Macmillan company.

Cita Chicago Style (17a ed.)

Lippmann, Walter. A Preface to Morals. New York: The Macmillan company, 1929.

Cita MLA (8a ed.)

Lippmann, Walter. A Preface to Morals. The Macmillan company, 1929.