Reader's Digest. (1972). Reader's digest secrets of the seas: Marvels and mysteries of oceans and islands. Reader's Digest Association.
Chicago Style (17th ed.) CitationReader's Digest. Reader's Digest Secrets of the Seas: Marvels and Mysteries of Oceans and Islands. Pleasantville, NY: Reader's Digest Association, 1972.
MLA (9th ed.) CitationReader's Digest. Reader's Digest Secrets of the Seas: Marvels and Mysteries of Oceans and Islands. Reader's Digest Association, 1972.
Warning: These citations may not always be 100% accurate.