APA (7th ed.) Citation

Horn, W. W., Marshall, J. W., & Rourke, G. D. (1990). The forgotten hermitage of Skellig Michael California studies in the history of art / Discovery series.

Chicago Style (17th ed.) Citation

Horn, Walter William, Jenny W. Marshall, and Grellan D. Rourke. "The Forgotten Hermitage of Skellig Michael." California Studies in the History of Art / Discovery Series 1990.

MLA (8th ed.) Citation

Horn, Walter William, et al. "The Forgotten Hermitage of Skellig Michael." California Studies in the History of Art / Discovery Series, 1990.