APA (7th ed.) Citation

Smullyan, R. M. (1968). First-order logic. Springer-Verlag.

Chicago Style (17th ed.) Citation

Smullyan, Raymond M. First-order Logic. Berlin ; New York: Springer-Verlag, 1968.

MLA (8th ed.) Citation

Smullyan, Raymond M. First-order Logic. Springer-Verlag, 1968.