Koppel, T. (2007). Ebb and flow: Tides and life on our once and future planet. Dundurn.
Chicago Style (17th ed.) CitationKoppel, Tom. Ebb and Flow: Tides and Life on Our Once and Future Planet. Toronto: Dundurn, 2007.
MLA (9th ed.) CitationKoppel, Tom. Ebb and Flow: Tides and Life on Our Once and Future Planet. Dundurn, 2007.
Warning: These citations may not always be 100% accurate.