MLA

Freeman, A. H, et al. Radiology of the Stomach and Duodenum. Springer Berlin Heidelberg, 2008.

APA

Freeman, A. H, Balan, K. K, Balan, K.Freeman, A. H, & Sala, E., Baert, A. L, & Sala, E. (2008). Radiology of the Stomach and Duodenum. Springer Berlin Heidelberg.

Chicago

Freeman, A. H., K. K Balan, Kottekattu Balan, Alan H Freeman, Evis Sala, A. L Baert, and E Sala. Radiology of the Stomach and Duodenum. : Springer Berlin Heidelberg, 2008.