Cita APA (7th ed.)

Schagrin, M. L. (1979). The language of logic: A self-instruction text (2nd ed.). Random House.

Cita Chicago (17th ed.)

Schagrin, Morton L. The Language of Logic: A Self-instruction Text. 2nd ed. New York: Random House, 1979.

Cita MLA (9th ed.)

Schagrin, Morton L. The Language of Logic: A Self-instruction Text. 2nd ed. Random House, 1979.