APA (7 ম সংস্করণ) উদ্ধৃতি

Keller, E. A., & Blodgett, R. H. (2008). Natural hazards: Earth's processes as hazards, disasters, and catastrophes (2nd ed.). Pearson/Prentice Hall.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Keller, Edward A., এবং Robert H. Blodgett. Natural Hazards: Earth's Processes as Hazards, Disasters, and Catastrophes. 2nd ed. Upper Saddle River, NJ: Pearson/Prentice Hall, 2008.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Keller, Edward A., এবং Robert H. Blodgett. Natural Hazards: Earth's Processes as Hazards, Disasters, and Catastrophes. 2nd ed. Pearson/Prentice Hall, 2008.