MLA

Gross, H. J, Michael Fry, and Karen Usdin. Human Nucleotide Expansion Disorders. Springer Berlin Heidelberg, 2006.

APA

Gross, H. J, Fry, M., & Usdin, K. (2006). Human Nucleotide Expansion Disorders. Springer Berlin Heidelberg.

Chicago

Gross, H. J., Michael Fry, and Karen Usdin. Human Nucleotide Expansion Disorders. : Springer Berlin Heidelberg, 2006.