APA (7th ed.) Citation

Bažant, Z. P., & Zhou, Y. Why did the World Trade Center collapse?: Simple analysis.

Chicago Style (17th ed.) Citation

Bažant, Zdeněk P., and Yong Zhou. Why Did the World Trade Center Collapse?: Simple Analysis.

MLA (9th ed.) Citation

Bažant, Zdeněk P., and Yong Zhou. Why Did the World Trade Center Collapse?: Simple Analysis.

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