APA (7th ed.) Citation

Hawass, Z., Watt, S., & Mark, P. (2003). Egypt's hidden treasures. National Geographic.

Chicago Style (17th ed.) Citation

Hawass, Zahi, Stan Watt, and Patrick Mark. Egypt's Hidden Treasures. District of Columbia: National Geographic, 2003.

MLA (9th ed.) Citation

Hawass, Zahi, et al. Egypt's Hidden Treasures. National Geographic, 2003.