Gaya APA

Piddock, C. (2012). Wabah: Selidik National Geographic (Cetakan Pertama). Washington, D.C.: National Geographic.

Gaya MLA

Piddock, Charles. "Wabah: Selidik National Geographic". Cetakan Pertama Washington, D.C.: National Geographic, 2012. GEN - Bacaan/Seri Non-Fiksi.