APA (7th ed.) Citation

Lorenzen, P. (1965). Formal Logic. Reidel.

Chicago Style (17th ed.) Citation

Lorenzen, Paul. Formal Logic. Dordrecht: Reidel, 1965.

MLA (9th ed.) Citation

Lorenzen, Paul. Formal Logic. Reidel, 1965.

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