Cita APA

Fitch, F. B. 1. (1952). Symbolic logic: An introduction. Ronald Press.

Citación estilo Chicago

Fitch, Frederic B. 1908-1987. Symbolic Logic: An Introduction. New York: Ronald Press, 1952.

Cita MLA

Fitch, Frederic B. 1908-1987. Symbolic Logic: An Introduction. New York: Ronald Press, 1952.