Cita APA

Packard, D. J., & Faulconer, J. E. (1980). Introduction to logic. D. Van Nostrand.

Citación estilo Chicago

Packard, Dennis J., and James E. Faulconer. Introduction to Logic. New York: D. Van Nostrand, 1980.

Cita MLA

Packard, Dennis J., and James E. Faulconer. Introduction to Logic. New York: D. Van Nostrand, 1980.