Cita APA

Langer, S. K. (1953). An introduction to symbolic logic. New York: Dover Publications.

Chicago Style Citation

Langer, Susanne Katherina. An Introduction to Symbolic Logic. New York: Dover Publications, 1953.

Cita MLA

Langer, Susanne Katherina. An Introduction to Symbolic Logic. New York: Dover Publications, 1953.

Atenció: Aquestes cites poden no estar 100% correctes.