Williams, H. (1988). Whale nation (1st American ed.). Harmony Books.
Chicago Style (17th ed.) CitationWilliams, Heathcote. Whale Nation. 1st American ed. New York, N.Y.: Harmony Books, 1988.
MLA (9th ed.) CitationWilliams, Heathcote. Whale Nation. 1st American ed. Harmony Books, 1988.
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