Walsh, M. (1989). The secret world of Opus Dei. Rialp.
Chicago Style (17th ed.) CitationWalsh, Michael. The Secret World of Opus Dei. Madrid: Rialp, 1989.
MLA (9th ed.) CitationWalsh, Michael. The Secret World of Opus Dei. Rialp, 1989.
Warning: These citations may not always be 100% accurate.