The Stavelot Triptych : : Mosan Art and The Legend of the True Cross (exhibition New York, The Pierpont Morgan Library, 1980).

MLA

Ryskamp, Charles, and William Voelkle. The Stavelot Triptych : Mosan Art and The Legend of the True Cross (exhibition New York, The Pierpont Morgan Library, 1980). New York City: The Pierpont Morgan Library, 1980.

APA

Ryskamp, C., & Voelkle, W. (1980). The Stavelot Triptych : Mosan Art and The Legend of the True Cross (exhibition New York, The Pierpont Morgan Library, 1980). New York City: The Pierpont Morgan Library.

Chicago

Ryskamp, Charles, and William Voelkle. The Stavelot Triptych: Mosan Art and The Legend of the True Cross (exhibition New York, The Pierpont Morgan Library, 1980). New York City: The Pierpont Morgan Library, 1980.