Schulz, H. (1990). Callanish: A guide to the standing stones and the Callanish complex (3rd. ed.). Schulz.
Chicago Style (17th ed.) CitationSchulz, Hellmut. Callanish: A Guide to the Standing Stones and the Callanish Complex. 3rd. ed. Callanish: Schulz, 1990.
MLA (9th ed.) CitationSchulz, Hellmut. Callanish: A Guide to the Standing Stones and the Callanish Complex. 3rd. ed. Schulz, 1990.
Warning: These citations may not always be 100% accurate.