Cita APA

Lewis, C. I., & Langford, C. H. (1959). Symbolic logic Dover Publications.

Citación estilo Chicago

Lewis, Clarence Irving, and Cooper Harold Langford. Symbolic Logic. 2a. ed. New York: Dover Publications, 1959.

Cita MLA

Lewis, Clarence Irving, and Cooper Harold Langford. Symbolic Logic. 2a. ed. New York: Dover Publications, 1959.