MLA

Lowden, John, and John Cherry. Medieval Ivories and Works of Art : The Thomson Collection At the Art Gallery of Ontario (toronto). Toronto: Art Gallery of Ontario, 2008.

APA

Lowden, J., & Cherry, J. (2008). Medieval Ivories and Works of Art : The Thomson Collection at the Art Gallery of Ontario (Toronto). Toronto: Art Gallery of Ontario.

Chicago

Lowden, John, and John Cherry. Medieval Ivories and Works of Art: The Thomson Collection At the Art Gallery of Ontario (toronto). Toronto: Art Gallery of Ontario, 2008.