APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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