Hamilton-Smith, E., & Champion, R. (1976). Mt. Etna & the caves: A plan for action. University of Queensland Speleological Society.
Chicago Style (17th ed.) CitationHamilton-Smith, Elery, and Randell Champion. Mt. Etna & the Caves: A Plan for Action. St. Lucia, Q.: University of Queensland Speleological Society, 1976.
MLA (8th ed.) CitationHamilton-Smith, Elery, and Randell Champion. Mt. Etna & the Caves: A Plan for Action. University of Queensland Speleological Society, 1976.
Warning: These citations may not always be 100% accurate.