APA (7th ed.) Citation

Sala, E., & DiCaprio, L. (2015). Pristine seas: Journeys to the ocean's last wild places. National Geographic.

Chicago Style (17th ed.) Citation

Sala, Enric, and Leonardo DiCaprio. Pristine Seas: Journeys to the Ocean's Last Wild Places. Washington, D.C.: National Geographic, 2015.

MLA (9th ed.) Citation

Sala, Enric, and Leonardo DiCaprio. Pristine Seas: Journeys to the Ocean's Last Wild Places. National Geographic, 2015.