APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (9वां संस्करण) प्रशस्ति पत्र

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