APA-Zitierstil (7. Ausg.)

(2011). Once there were castles: Lost mansions and estates of the Twin Cities. Univ. of Minnesota Press.

Chicago-Zitierstil (17. Ausg.)

Once There Were Castles: Lost Mansions and Estates of the Twin Cities. Minneapolis [u.a.]: Univ. of Minnesota Press, 2011.

MLA-Zitierstil (9. Ausg.)

Once There Were Castles: Lost Mansions and Estates of the Twin Cities. Univ. of Minnesota Press, 2011.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.