Matthews, C., & Matthews, J. (1994). The encyclopaedia of Celtic wisdom: The Celtic shaman's sourcebook. Element Bks.
Chicago Style (17th ed.) CitationMatthews, Caitlín, and John Matthews. The Encyclopaedia of Celtic Wisdom: The Celtic Shaman's Sourcebook. Shaftesbury [u.a.]: Element Bks, 1994.
MLA (8th ed.) CitationMatthews, Caitlín, and John Matthews. The Encyclopaedia of Celtic Wisdom: The Celtic Shaman's Sourcebook. Element Bks, 1994.
Warning: These citations may not always be 100% accurate.