APA (7th ed.) Citation

Geach, P. T., & Holówka, J. (1991). Logic and ethics. Kluwer Academic.

Chicago Style (17th ed.) Citation

Geach, P. T., and Jacek Holówka. Logic and Ethics. Dordrecht [etc.]: Kluwer Academic, 1991.

MLA (9th ed.) Citation

Geach, P. T., and Jacek Holówka. Logic and Ethics. Kluwer Academic, 1991.