MLA

Billings, Steven Douglas, Steven D Billings, and Jenny Cotton. Inflammatory Dermatopathology. Springer US, 2011.

APA

Billings, S. Douglas, Billings, S. D, & Cotton, J. (2011). Inflammatory Dermatopathology. Springer US.

Chicago

Billings, Steven Douglas, Steven D Billings, and Jenny Cotton. Inflammatory Dermatopathology. : Springer US, 2011.