APA (7th ed.) Citation

Lorenzen, P. (1969). Normative logic and ethics. Bibliographisches Institut.

Chicago Style (17th ed.) Citation

Lorenzen, Paul. Normative Logic and Ethics. Mannheim: Bibliographisches Institut, 1969.

MLA (9th ed.) Citation

Lorenzen, Paul. Normative Logic and Ethics. Bibliographisches Institut, 1969.

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