APA Citation

Ruby, L. Logic: An Introduction / Lionel Ruby (2.). Chicago : J. B. Lippincott.

Chicago Style Citation

Ruby, Lionel. Logic: An Introduction / Lionel Ruby. 2. Chicago : J. B. Lippincott.

MLA Citation

Ruby, Lionel. Logic: An Introduction / Lionel Ruby. 2. Chicago : J. B. Lippincott.

Warning: These citations may not always be 100% accurate.