MLA

Mills, John S, et al. Cleaning, Retouching and Coatings : Technology and Practice for Easel Paintings and Polychrome Sculpture (congress Brussel, Iic, 3-7 September 1990). London: The International Institute for Conservation of Historic and Artistic Works, 1990.

APA

Mills, J. S, Smith, P., Goetghebeur, N., Samet, W., & Stoner, J. Still. (1990). Cleaning, Retouching and Coatings : Technology and Practice for Easel Paintings and Polychrome Sculpture (congress Brussel, IIC, 3-7 september 1990). London: The International Institute for Conservation of Historic and Artistic Works.

Chicago

Mills, John S., Perry Smith, Nicole Goetghebeur, Wendy Samet, and Joyce Still Stoner. Cleaning, Retouching and Coatings: Technology and Practice for Easel Paintings and Polychrome Sculpture (congress Brussel, IIC, 3-7 September 1990). London: The International Institute for Conservation of Historic and Artistic Works, 1990.