APA (7th ed.) Citation

Bretland, P. M. (1978). Essentials of radiology: For medical students and others who find looking at radiographs very difficult. Butterworths.

Chicago Style (17th ed.) Citation

Bretland, Peter M. Essentials of Radiology: For Medical Students and Others Who Find Looking at Radiographs Very Difficult. London u.a: Butterworths, 1978.

MLA (9th ed.) Citation

Bretland, Peter M. Essentials of Radiology: For Medical Students and Others Who Find Looking at Radiographs Very Difficult. Butterworths, 1978.