Style de citation APA (7e éd.)

Hospers, J. (1971). Libertarianism, A political philosophy for tomorrow (Primera edición.). Reason Press.

Style de citation Chicago (17e éd.)

Hospers, John. Libertarianism, A Political Philosophy for Tomorrow. Primera edición. Santa Bárbara: Reason Press, 1971.

Style de citation MLA (8e éd.)

Hospers, John. Libertarianism, A Political Philosophy for Tomorrow. Primera edición. Reason Press, 1971.