APA (7th ed.) Citation

Kay, H. (1964). The secrets of the doplhin. Macmillan.

Chicago Style (17th ed.) Citation

Kay, Helen. The Secrets of the Doplhin. New York: Macmillan, 1964.

MLA (9th ed.) Citation

Kay, Helen. The Secrets of the Doplhin. Macmillan, 1964.

Warning: These citations may not always be 100% accurate.