APA Style

Cather, S. et al (1991). Conservation of wall paintings: proceedings of a symposium organized by the Courtauld Institute of Art and the Getty Conservation Institute, London, July 13-16, 1987 . cau: .

MLA Style

Cather, Sharon.. et al. "Conservation of wall paintings: proceedings of a symposium organized by the Courtauld Institute of Art and the Getty Conservation Institute, London, July 13-16, 1987". cau: , 1991. print.