APA-referens (7:e uppl.)

Levenson, J. A. (1991). Circa 1492: Art the age of exploration. National Gallery of Art.

Chicago-referens (17:e uppl.)

Levenson, Jay A. Circa 1492: Art the Age of Exploration. Washington, D.C: National Gallery of Art, 1991.

MLA-referens (9:e uppl.)

Levenson, Jay A. Circa 1492: Art the Age of Exploration. National Gallery of Art, 1991.