APA (7th ed.) Citation

Macdonald, F., James, J., & Donnelly, S. (2005). How to be a samurai warrior. National Geographic.

Chicago Style (17th ed.) Citation

Macdonald, Fiona, John James, and Susan Donnelly. How to Be a Samurai Warrior. Washington, D.C.: National Geographic, 2005.

MLA (8th ed.) Citation

Macdonald, Fiona, et al. How to Be a Samurai Warrior. National Geographic, 2005.

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