APA (7th ed.) Citation

Wolfram, S. (1989). Philosophical logic: An introduction (1. publ.). Routledge.

Chicago Style (17th ed.) Citation

Wolfram, Sybil. Philosophical Logic: An Introduction. 1. publ. London u.a: Routledge, 1989.

MLA (9th ed.) Citation

Wolfram, Sybil. Philosophical Logic: An Introduction. 1. publ. Routledge, 1989.