APA Citation

Jacobs, M. B. (1999). Why did the dinosaurs become extinct? New York: PowerKids Press.

Chicago Style Citation

Jacobs, Marian B. Why Did the Dinosaurs Become Extinct? New York: PowerKids Press, 1999.

MLA Citation

Jacobs, Marian B. Why Did the Dinosaurs Become Extinct? New York: PowerKids Press, 1999.

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