Hume, D. (1990). A letter from a gentleman to his friend in Edinburgh. Alex Catalogue.
Chicago-Zitierstil (17. Ausg.)Hume, David. A Letter from a Gentleman to His Friend in Edinburgh. Raleigh, N.C: Alex Catalogue, 1990.
MLA-Zitierstil (9. Ausg.)Hume, David. A Letter from a Gentleman to His Friend in Edinburgh. Alex Catalogue, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.