The natural history of periodontal disease in beagle dogs :
a thesis submitted in partial fulfillment ... periodontics ... /
by William P. Sorensen.

APA Citation

Sorensen, W. P., University of Michigan. School of Dentistry. (1975). The natural history of periodontal disease in beagle dogs: a thesis submitted in partial fulfillment ... periodontics .... .

MLA Citation

Sorensen, William P, and University of Michigan. School of Dentistry. The Natural History of Periodontal Disease In Beagle Dogs: a Thesis Submitted In Partial Fulfillment ... Periodontics .... , 1975.

Warning: These citations may not always be complete (especially for serials).