APA (7th ed.) Citation

Bin Laden, O., Lawrence, B. B., & Howarth, J. Messages to the world: The statements of Osama Bin Laden.

Chicago Style (17th ed.) Citation

Bin Laden, Osama, Bruce B. Lawrence, and James Howarth. Messages to the World: The Statements of Osama Bin Laden.

MLA (9th ed.) Citation

Bin Laden, Osama, et al. Messages to the World: The Statements of Osama Bin Laden.