Cita APA (7a ed.)

Day, N. R., & Cyrus, K. (2015). What in the world?: Numbers in nature. Beach Lane Books.

Cita Chicago Style (17a ed.)

Day, Nancy Raines, y Kurt Cyrus. What in the World?: Numbers in Nature. New York: Beach Lane Books, 2015.

Cita MLA (8a ed.)

Day, Nancy Raines, y Kurt Cyrus. What in the World?: Numbers in Nature. Beach Lane Books, 2015.

Precaución: Estas citas no son 100% exactas.