MLA

Walco, Gary A.; Goldschneider, Kenneth R, et al. Pain In Children. Humana Press, 2008.

APA

Walco, K. R, Goldschneider, K. R, Walco, G. A, & Berde, C. (2008). Pain in Children. Humana Press.

Chicago

Walco, Gary A.; Goldschneider, Kenneth R., Kenneth R Goldschneider, Gary A Walco, and Charles Berde. Pain In Children. : Humana Press, 2008.