Cita APA (7th ed.)

Knauer, . K. (2012). Disasters that shook the world. Time Books.

Cita Chicago (17th ed.)

Knauer, Kelly. Disasters That Shook the World. New York: Time Books, 2012.

Cita MLA (9th ed.)

Knauer, Kelly. Disasters That Shook the World. Time Books, 2012.

Atenció: Aquestes cites poden no estar 100% correctes.