APA (7th ed.) Citation

Kampel, I. J. (1985). A practical introduction to the new logic symbols. Butterworths.

Chicago Style (17th ed.) Citation

Kampel, I. J. A Practical Introduction to the New Logic Symbols. London: Butterworths, 1985.

MLA (9th ed.) Citation

Kampel, I. J. A Practical Introduction to the New Logic Symbols. Butterworths, 1985.

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