APA (7th ed.) Citation

Bouwman, H. M. (2017). A crack in the sea. G. P. Putnam's Sons.

Chicago Style (17th ed.) Citation

Bouwman, H. M. A Crack in the Sea. New York: G. P. Putnam's Sons, 2017.

MLA (9th ed.) Citation

Bouwman, H. M. A Crack in the Sea. G. P. Putnam's Sons, 2017.