APA-Zitierstil (7. Ausg.)

Helston, M. (1989). Painting in Spain: During the later eighteenth century. National Gallery Publ..

Chicago-Zitierstil (17. Ausg.)

Helston, Michael. Painting in Spain: During the Later Eighteenth Century. London: National Gallery Publ., 1989.

MLA-Zitierstil (8. Ausg.)

Helston, Michael. Painting in Spain: During the Later Eighteenth Century. National Gallery Publ., 1989.

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