Cita APA (7a ed.)

Hilpinen, R. (1971). Deontic logic: Introductory and systematic readings. D. Reidel.

Cita Chicago Style (17a ed.)

Hilpinen, Risto. Deontic Logic: Introductory and Systematic Readings. Dordrecht: D. Reidel, 1971.

Cita MLA (9a ed.)

Hilpinen, Risto. Deontic Logic: Introductory and Systematic Readings. D. Reidel, 1971.