APA (7 ম সংস্করণ) উদ্ধৃতি

Keller, E. A., DeVecchio, D. E., & Blodgett, R. H. Natural hazards: Earth's processes as hazards, disasters, and catastrophes (3rd ed.).

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Keller, Edward A., Duane E. DeVecchio, এবং Robert H. Blodgett. Natural Hazards: Earth's Processes as Hazards, Disasters, and Catastrophes. 3rd ed.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Keller, Edward A., et al. Natural Hazards: Earth's Processes as Hazards, Disasters, and Catastrophes. 3rd ed.