Gaya APA

Helms, C., Katzberg, R. (1983). Internal Derangements of the Temporomandibular Joint . San Fransisco: Radiology Research and Education Foundation.

Gaya MLA

Helms, Clyde., Katzberg, Richard. "Internal Derangements of the Temporomandibular Joint". San Fransisco: Radiology Research and Education Foundation, 1983. print.