APA (7th ed.) Citation

Levy, R. J. (1984). Introductory logic. Univ. Pr. of America.

Chicago Style (17th ed.) Citation

Levy, Robert J. Introductory Logic. Lanham u.a: Univ. Pr. of America, 1984.

MLA (9th ed.) Citation

Levy, Robert J. Introductory Logic. Univ. Pr. of America, 1984.