APA (7th ed.) Citation

Whitmore, J. H. (2009). Modern and Ancient Reefs. Rock solid answers, 149-166.

Chicago Style (17th ed.) Citation

Whitmore, John H. "Modern and Ancient Reefs." Rock Solid Answers 2009: 149-166.

MLA (9th ed.) Citation

Whitmore, John H. "Modern and Ancient Reefs." Rock Solid Answers, 2009, pp. 149-166.

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