APA (7th ed.) Citation

National Geographic & Waring, R. (2009). The black diamonds of Provence. National Geographic Learning.

Chicago Style (17th ed.) Citation

National Geographic and Rob Waring. The Black Diamonds of Provence. Boston: National Geographic Learning, 2009.

MLA (9th ed.) Citation

National Geographic and Rob Waring. The Black Diamonds of Provence. National Geographic Learning, 2009.

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